Finding the Fourth Proportional to 22,965.24, 31,692.42 and 12,756

Step by Step Solution

1. Step 1: Write the proportion equation
   22,965.24 : 31,692.42 = 12,756 : x
2. Step 2: Convert to fraction form
   22,965.24/31,692.42 = 12,756/x
3. Step 3: Cross multiply
   22,965.24x = 31,692.42 × 12,756
4. Step 4: Simplify right side
   22,965.24x = 404,268,509.52
5. Step 5: Solve for x
   x = 404,268,509.52/22,965.24
6. Step 6: Final answer
   x = 17,603.50