Finding the Fourth Proportional to 6,308.48, 8,708.82 and 3,951.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,308.48 : 8,708.82 = 3,951.92 : x
2. Step 2: Convert to fraction form
   6,308.48/8,708.82 = 3,951.92/x
3. Step 3: Cross multiply
   6,308.48x = 8,708.82 × 3,951.92
4. Step 4: Simplify right side
   6,308.48x = 34,416,559.93
5. Step 5: Solve for x
   x = 34,416,559.93/6,308.48
6. Step 6: Final answer
   x = 5,455.60