Finding the Fourth Proportional to 6,385.43, 8,811.86 and 3,732.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.43 : 8,811.86 = 3,732.31 : x
2. Step 2: Convert to fraction form
   6,385.43/8,811.86 = 3,732.31/x
3. Step 3: Cross multiply
   6,385.43x = 8,811.86 × 3,732.31
4. Step 4: Simplify right side
   6,385.43x = 32,888,580.50
5. Step 5: Solve for x
   x = 32,888,580.50/6,385.43
6. Step 6: Final answer
   x = 5,150.57