Finding the Fourth Proportional to 6,380.43, 8,805.59 and 3,863.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380.43 : 8,805.59 = 3,863.15 : x
2. Step 2: Convert to fraction form
   6,380.43/8,805.59 = 3,863.15/x
3. Step 3: Cross multiply
   6,380.43x = 8,805.59 × 3,863.15
4. Step 4: Simplify right side
   6,380.43x = 34,017,315.01
5. Step 5: Solve for x
   x = 34,017,315.01/6,380.43
6. Step 6: Final answer
   x = 5,331.51