Finding the Fourth Proportional to 17,666.32, 24,379.03 and 9,708.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.32 : 24,379.03 = 9,708.55 : x
2. Step 2: Convert to fraction form
   17,666.32/24,379.03 = 9,708.55/x
3. Step 3: Cross multiply
   17,666.32x = 24,379.03 × 9,708.55
4. Step 4: Simplify right side
   17,666.32x = 236,685,031.71
5. Step 5: Solve for x
   x = 236,685,031.71/17,666.32
6. Step 6: Final answer
   x = 13,397.53