Finding the Fourth Proportional to 17,665.92, 24,379.05 and 9,708.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.92 : 24,379.05 = 9,708.30 : x
2. Step 2: Convert to fraction form
   17,665.92/24,379.05 = 9,708.30/x
3. Step 3: Cross multiply
   17,665.92x = 24,379.05 × 9,708.30
4. Step 4: Simplify right side
   17,665.92x = 236,679,131.12
5. Step 5: Solve for x
   x = 236,679,131.12/17,665.92
6. Step 6: Final answer
   x = 13,397.50