Finding the Fourth Proportional to 6,081.28, 8,392.32 and 3,724.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,081.28 : 8,392.32 = 3,724.72 : x
2. Step 2: Convert to fraction form
   6,081.28/8,392.32 = 3,724.72/x
3. Step 3: Cross multiply
   6,081.28x = 8,392.32 × 3,724.72
4. Step 4: Simplify right side
   6,081.28x = 31,259,042.15
5. Step 5: Solve for x
   x = 31,259,042.15/6,081.28
6. Step 6: Final answer
   x = 5,140.21