Finding the Fourth Proportional to 6,080.50, 8,391.15 and 3,427.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,080.50 : 8,391.15 = 3,427.78 : x
2. Step 2: Convert to fraction form
   6,080.50/8,391.15 = 3,427.78/x
3. Step 3: Cross multiply
   6,080.50x = 8,391.15 × 3,427.78
4. Step 4: Simplify right side
   6,080.50x = 28,763,016.15
5. Step 5: Solve for x
   x = 28,763,016.15/6,080.50
6. Step 6: Final answer
   x = 4,730.37