Finding the Fourth Proportional to 17,475.30, 24,116.17 and 9,921.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,475.30 : 24,116.17 = 9,921.38 : x
2. Step 2: Convert to fraction form
   17,475.30/24,116.17 = 9,921.38/x
3. Step 3: Cross multiply
   17,475.30x = 24,116.17 × 9,921.38
4. Step 4: Simplify right side
   17,475.30x = 239,265,686.71
5. Step 5: Solve for x
   x = 239,265,686.71/17,475.30
6. Step 6: Final answer
   x = 13,691.65