Finding the Fourth Proportional to 6,380.80, 8,805.27 and 3,729.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,380.80 : 8,805.27 = 3,729.94 : x
2. Step 2: Convert to fraction form
   6,380.80/8,805.27 = 3,729.94/x
3. Step 3: Cross multiply
   6,380.80x = 8,805.27 × 3,729.94
4. Step 4: Simplify right side
   6,380.80x = 32,843,120.76
5. Step 5: Solve for x
   x = 32,843,120.76/6,380.80
6. Step 6: Final answer
   x = 5,147.18