Finding the Fourth Proportional to 6,280.36, 8,665.92 and 3,591.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,280.36 : 8,665.92 = 3,591.10 : x
2. Step 2: Convert to fraction form
   6,280.36/8,665.92 = 3,591.10/x
3. Step 3: Cross multiply
   6,280.36x = 8,665.92 × 3,591.10
4. Step 4: Simplify right side
   6,280.36x = 31,120,185.31
5. Step 5: Solve for x
   x = 31,120,185.31/6,280.36
6. Step 6: Final answer
   x = 4,955.16