Finding the Fourth Proportional to 15,757.71, 23,633.31 and 7,434.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,757.71 : 23,633.31 = 7,434.15 : x
2. Step 2: Convert to fraction form
   15,757.71/23,633.31 = 7,434.15/x
3. Step 3: Cross multiply
   15,757.71x = 23,633.31 × 7,434.15
4. Step 4: Simplify right side
   15,757.71x = 175,693,571.54
5. Step 5: Solve for x
   x = 175,693,571.54/15,757.71
6. Step 6: Final answer
   x = 11,149.69