Finding the Fourth Proportional to 12,535.43, 17,294.31 and 7,499.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,535.43 : 17,294.31 = 7,499.79 : x
2. Step 2: Convert to fraction form
   12,535.43/17,294.31 = 7,499.79/x
3. Step 3: Cross multiply
   12,535.43x = 17,294.31 × 7,499.79
4. Step 4: Simplify right side
   12,535.43x = 129,703,693.19
5. Step 5: Solve for x
   x = 129,703,693.19/12,535.43
6. Step 6: Final answer
   x = 10,346.97