Finding the Fourth Proportional to 9,932.15, 13,718.50 and 7,425.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,932.15 : 13,718.50 = 7,425.39 : x
2. Step 2: Convert to fraction form
   9,932.15/13,718.50 = 7,425.39/x
3. Step 3: Cross multiply
   9,932.15x = 13,718.50 × 7,425.39
4. Step 4: Simplify right side
   9,932.15x = 101,865,168.43
5. Step 5: Solve for x
   x = 101,865,168.43/9,932.15
6. Step 6: Final answer
   x = 10,256.10