Finding the Fourth Proportional to 6,311.52, 8,710.47 and 3,659.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,311.52 : 8,710.47 = 3,659.31 : x
2. Step 2: Convert to fraction form
   6,311.52/8,710.47 = 3,659.31/x
3. Step 3: Cross multiply
   6,311.52x = 8,710.47 × 3,659.31
4. Step 4: Simplify right side
   6,311.52x = 31,874,309.98
5. Step 5: Solve for x
   x = 31,874,309.98/6,311.52
6. Step 6: Final answer
   x = 5,050.18