Finding the Fourth Proportional to 12,710.12, 17,540.15 and 7,332.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,710.12 : 17,540.15 = 7,332.47 : x
2. Step 2: Convert to fraction form
   12,710.12/17,540.15 = 7,332.47/x
3. Step 3: Cross multiply
   12,710.12x = 17,540.15 × 7,332.47
4. Step 4: Simplify right side
   12,710.12x = 128,612,499.31
5. Step 5: Solve for x
   x = 128,612,499.31/12,710.12
6. Step 6: Final answer
   x = 10,118.91