Finding the Fourth Proportional to 6,080.86, 8,391.59 and 3,428.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,080.86 : 8,391.59 = 3,428.25 : x
2. Step 2: Convert to fraction form
   6,080.86/8,391.59 = 3,428.25/x
3. Step 3: Cross multiply
   6,080.86x = 8,391.59 × 3,428.25
4. Step 4: Simplify right side
   6,080.86x = 28,768,472.26
5. Step 5: Solve for x
   x = 28,768,472.26/6,080.86
6. Step 6: Final answer
   x = 4,730.99