Finding the Fourth Proportional to 6,311.12, 8,708.83 and 3,658.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,311.12 : 8,708.83 = 3,658.69 : x
2. Step 2: Convert to fraction form
   6,311.12/8,708.83 = 3,658.69/x
3. Step 3: Cross multiply
   6,311.12x = 8,708.83 × 3,658.69
4. Step 4: Simplify right side
   6,311.12x = 31,862,931.55
5. Step 5: Solve for x
   x = 31,862,931.55/6,311.12
6. Step 6: Final answer
   x = 5,048.70