Finding the Fourth Proportional to 22,641.12, 31,243.17 and 12,568.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,641.12 : 31,243.17 = 12,568.77 : x
2. Step 2: Convert to fraction form
   22,641.12/31,243.17 = 12,568.77/x
3. Step 3: Cross multiply
   22,641.12x = 31,243.17 × 12,568.77
4. Step 4: Simplify right side
   22,641.12x = 392,688,061.59
5. Step 5: Solve for x
   x = 392,688,061.59/22,641.12
6. Step 6: Final answer
   x = 17,344.02