Finding the Fourth Proportional to 17,871.43, 24,665.53 and 9,916.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,871.43 : 24,665.53 = 9,916.22 : x
2. Step 2: Convert to fraction form
   17,871.43/24,665.53 = 9,916.22/x
3. Step 3: Cross multiply
   17,871.43x = 24,665.53 × 9,916.22
4. Step 4: Simplify right side
   17,871.43x = 244,588,648.99
5. Step 5: Solve for x
   x = 244,588,648.99/17,871.43
6. Step 6: Final answer
   x = 13,686.02