Moment of forces about point A calculation

[EIGHTSIX7]

Homework Statement

Determine the moment of forces about point a.

Homework Equations

Sum of Forces of X
Sum of Forces of Y
Ma=0?
cos(<)(force downwards)
sin(<)(force downwards)

The Attempt at a Solution

Countless times, keep getting an answer x10^3 too big.

Attached is a scanned copy of the question.

Thanks for the help.

 

[LawrenceC]

Let's see your work.