Finding the Fourth Proportional to 11,752.71, 16,200.29 and 8,908.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,752.71 : 16,200.29 = 8,908.70 : x
2. Step 2: Convert to fraction form
   11,752.71/16,200.29 = 8,908.70/x
3. Step 3: Cross multiply
   11,752.71x = 16,200.29 × 8,908.70
4. Step 4: Simplify right side
   11,752.71x = 144,323,523.52
5. Step 5: Solve for x
   x = 144,323,523.52/11,752.71
6. Step 6: Final answer
   x = 12,280.02