Finding the Fourth Proportional to 6,311.27, 8,708.42 and 3,658.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,311.27 : 8,708.42 = 3,658.16 : x
2. Step 2: Convert to fraction form
   6,311.27/8,708.42 = 3,658.16/x
3. Step 3: Cross multiply
   6,311.27x = 8,708.42 × 3,658.16
4. Step 4: Simplify right side
   6,311.27x = 31,856,824.62
5. Step 5: Solve for x
   x = 31,856,824.62/6,311.27
6. Step 6: Final answer
   x = 5,047.61