Finding the Fourth Proportional to 3,986.91, 5,500.02 and 2,392.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,986.91 : 5,500.02 = 2,392.83 : x
2. Step 2: Convert to fraction form
   3,986.91/5,500.02 = 2,392.83/x
3. Step 3: Cross multiply
   3,986.91x = 5,500.02 × 2,392.83
4. Step 4: Simplify right side
   3,986.91x = 13,160,612.86
5. Step 5: Solve for x
   x = 13,160,612.86/3,986.91
6. Step 6: Final answer
   x = 3,300.96