Finding the Fourth Proportional to 17,872.92, 24,664.59 and 9,916.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872.92 : 24,664.59 = 9,916.29 : x
2. Step 2: Convert to fraction form
   17,872.92/24,664.59 = 9,916.29/x
3. Step 3: Cross multiply
   17,872.92x = 24,664.59 × 9,916.29
4. Step 4: Simplify right side
   17,872.92x = 244,581,227.17
5. Step 5: Solve for x
   x = 244,581,227.17/17,872.92
6. Step 6: Final answer
   x = 13,684.46