Finding the Fourth Proportional to 17,682.38, 24,402.15 and 9,724.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,682.38 : 24,402.15 = 9,724.61 : x
2. Step 2: Convert to fraction form
   17,682.38/24,402.15 = 9,724.61/x
3. Step 3: Cross multiply
   17,682.38x = 24,402.15 × 9,724.61
4. Step 4: Simplify right side
   17,682.38x = 237,301,391.91
5. Step 5: Solve for x
   x = 237,301,391.91/17,682.38
6. Step 6: Final answer
   x = 13,420.22