Finding the Fourth Proportional to 6,080.76, 8,391.72 and 3,428.44

Step by Step Solution

1. Step 1: Write the proportion equation
   6,080.76 : 8,391.72 = 3,428.44 : x
2. Step 2: Convert to fraction form
   6,080.76/8,391.72 = 3,428.44/x
3. Step 3: Cross multiply
   6,080.76x = 8,391.72 × 3,428.44
4. Step 4: Simplify right side
   6,080.76x = 28,770,508.52
5. Step 5: Solve for x
   x = 28,770,508.52/6,080.76
6. Step 6: Final answer
   x = 4,731.40