Finding the Fourth Proportional to 17,565.27, 24,240.96 and 10,399.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,565.27 : 24,240.96 = 10,399.30 : x
2. Step 2: Convert to fraction form
   17,565.27/24,240.96 = 10,399.30/x
3. Step 3: Cross multiply
   17,565.27x = 24,240.96 × 10,399.30
4. Step 4: Simplify right side
   17,565.27x = 252,088,954.73
5. Step 5: Solve for x
   x = 252,088,954.73/17,565.27
6. Step 6: Final answer
   x = 14,351.56