Finding the Fourth Proportional to 3,932.40, 5,432.24 and 3,725.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.40 : 5,432.24 = 3,725.04 : x
2. Step 2: Convert to fraction form
   3,932.40/5,432.24 = 3,725.04/x
3. Step 3: Cross multiply
   3,932.40x = 5,432.24 × 3,725.04
4. Step 4: Simplify right side
   3,932.40x = 20,235,311.29
5. Step 5: Solve for x
   x = 20,235,311.29/3,932.40
6. Step 6: Final answer
   x = 5,145.79