Finding the Fourth Proportional to 6,296.28, 8,687.88 and 3,501.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,296.28 : 8,687.88 = 3,501.78 : x
2. Step 2: Convert to fraction form
   6,296.28/8,687.88 = 3,501.78/x
3. Step 3: Cross multiply
   6,296.28x = 8,687.88 × 3,501.78
4. Step 4: Simplify right side
   6,296.28x = 30,423,044.43
5. Step 5: Solve for x
   x = 30,423,044.43/6,296.28
6. Step 6: Final answer
   x = 4,831.91