Finding the Fourth Proportional to 6,080.82, 8,391.28 and 3,428.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,080.82 : 8,391.28 = 3,428.79 : x
2. Step 2: Convert to fraction form
   6,080.82/8,391.28 = 3,428.79/x
3. Step 3: Cross multiply
   6,080.82x = 8,391.28 × 3,428.79
4. Step 4: Simplify right side
   6,080.82x = 28,771,936.95
5. Step 5: Solve for x
   x = 28,771,936.95/6,080.82
6. Step 6: Final answer
   x = 4,731.59