Finding the Fourth Proportional to 6,081.92, 9,139.98 and 3,617.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.92 : 9,139.98 = 3,617.18 : x
2. Step 2: Convert to fraction form
   6,081.92/9,139.98 = 3,617.18/x
3. Step 3: Cross multiply
   6,081.92x = 9,139.98 × 3,617.18
4. Step 4: Simplify right side
   6,081.92x = 33,060,952.86
5. Step 5: Solve for x
   x = 33,060,952.86/6,081.92
6. Step 6: Final answer
   x = 5,435.94