Finding the Fourth Proportional to 17,315.24, 23,892.72 and 9,761.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,315.24 : 23,892.72 = 9,761.90 : x
2. Step 2: Convert to fraction form
   17,315.24/23,892.72 = 9,761.90/x
3. Step 3: Cross multiply
   17,315.24x = 23,892.72 × 9,761.90
4. Step 4: Simplify right side
   17,315.24x = 233,238,223.90
5. Step 5: Solve for x
   x = 233,238,223.90/17,315.24
6. Step 6: Final answer
   x = 13,470.12