Finding the Fourth Proportional to 17,719.29, 24,451.70 and 9,761.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,719.29 : 24,451.70 = 9,761.31 : x
2. Step 2: Convert to fraction form
   17,719.29/24,451.70 = 9,761.31/x
3. Step 3: Cross multiply
   17,719.29x = 24,451.70 × 9,761.31
4. Step 4: Simplify right side
   17,719.29x = 238,680,574.92
5. Step 5: Solve for x
   x = 238,680,574.92/17,719.29
6. Step 6: Final answer
   x = 13,470.10