Finding the Fourth Proportional to 8,315.28, 12,475.67 and 3,932.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315.28 : 12,475.67 = 3,932.17 : x
2. Step 2: Convert to fraction form
   8,315.28/12,475.67 = 3,932.17/x
3. Step 3: Cross multiply
   8,315.28x = 12,475.67 × 3,932.17
4. Step 4: Simplify right side
   8,315.28x = 49,056,404.45
5. Step 5: Solve for x
   x = 49,056,404.45/8,315.28
6. Step 6: Final answer
   x = 5,899.55