MHB Four Capacitors: What is the charge on C4

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I have been struggling to figure this question out lately and could use some help setting it up correctly.

As shown in the figure, V = 9.0 V, C1 = C2 = 27.2 μF, and C3 = C4 = 13.6 μF. What is the charge on capacitor 4?

I have tried using the summation of charges and then multiplying by the given potential but I am not getting anywhere, can anyone help me?
 
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ajkess1994 said:
I have been struggling to figure this question out lately and could use some help setting it up correctly.

As shown in the figure, V = 9.0 V, C1 = C2 = 27.2 μF, and C3 = C4 = 13.6 μF. What is the charge on capacitor 4?

I have tried using the summation of charges and then multiplying by the given potential but I am not getting anywhere, can anyone help me?

As shown in what figure?
 

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