Finding the Fourth Proportional to 17,689.16, 24,411.15 and 9,731.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,689.16 : 24,411.15 = 9,731.18 : x
2. Step 2: Convert to fraction form
   17,689.16/24,411.15 = 9,731.18/x
3. Step 3: Cross multiply
   17,689.16x = 24,411.15 × 9,731.18
4. Step 4: Simplify right side
   17,689.16x = 237,549,172.60
5. Step 5: Solve for x
   x = 237,549,172.60/17,689.16
6. Step 6: Final answer
   x = 13,429.09