Finding the Fourth Proportional to 5,488.70, 8,245.46 and 3,932.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.70 : 8,245.46 = 3,932.15 : x
2. Step 2: Convert to fraction form
   5,488.70/8,245.46 = 3,932.15/x
3. Step 3: Cross multiply
   5,488.70x = 8,245.46 × 3,932.15
4. Step 4: Simplify right side
   5,488.70x = 32,422,354.14
5. Step 5: Solve for x
   x = 32,422,354.14/5,488.70
6. Step 6: Final answer
   x = 5,907.12