Finding the Fourth Proportional to 6,385.88, 8,814.30 and 3,868.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.88 : 8,814.30 = 3,868.76 : x
2. Step 2: Convert to fraction form
   6,385.88/8,814.30 = 3,868.76/x
3. Step 3: Cross multiply
   6,385.88x = 8,814.30 × 3,868.76
4. Step 4: Simplify right side
   6,385.88x = 34,100,411.27
5. Step 5: Solve for x
   x = 34,100,411.27/6,385.88
6. Step 6: Final answer
   x = 5,339.97