Finding the Fourth Proportional to 3,839.92, 5,755.92 and 2,104.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.92 : 5,755.92 = 2,104.88 : x
2. Step 2: Convert to fraction form
   3,839.92/5,755.92 = 2,104.88/x
3. Step 3: Cross multiply
   3,839.92x = 5,755.92 × 2,104.88
4. Step 4: Simplify right side
   3,839.92x = 12,115,520.89
5. Step 5: Solve for x
   x = 12,115,520.89/3,839.92
6. Step 6: Final answer
   x = 3,155.15