Solve for x. See picture for full problem. Please and thank you!

Answer:
x = 16
Step-by-step explanation:
All 3 right triangles are similar, so the lengths of corresponding sides are in proportion.
8√3 / 12 = x / 8√3
12x = (8√3)²
12x = 64 × 3
4x = 64
x = 16