Finding the Fourth Proportional to 17,660.16, 24,371.33 and 9,702.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,660.16 : 24,371.33 = 9,702.72 : x
2. Step 2: Convert to fraction form
   17,660.16/24,371.33 = 9,702.72/x
3. Step 3: Cross multiply
   17,660.16x = 24,371.33 × 9,702.72
4. Step 4: Simplify right side
   17,660.16x = 236,468,142.50
5. Step 5: Solve for x
   x = 236,468,142.50/17,660.16
6. Step 6: Final answer
   x = 13,389.92