Finding the Fourth Proportional to 6,385.87, 8,811.18 and 3,732.77

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.87 : 8,811.18 = 3,732.77 : x
2. Step 2: Convert to fraction form
   6,385.87/8,811.18 = 3,732.77/x
3. Step 3: Cross multiply
   6,385.87x = 8,811.18 × 3,732.77
4. Step 4: Simplify right side
   6,385.87x = 32,890,100.34
5. Step 5: Solve for x
   x = 32,890,100.34/6,385.87
6. Step 6: Final answer
   x = 5,150.45