Finding the Fourth Proportional to 8,726.27, 12,042.54 and 4,949.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.27 : 12,042.54 = 4,949.55 : x
2. Step 2: Convert to fraction form
   8,726.27/12,042.54 = 4,949.55/x
3. Step 3: Cross multiply
   8,726.27x = 12,042.54 × 4,949.55
4. Step 4: Simplify right side
   8,726.27x = 59,605,153.86
5. Step 5: Solve for x
   x = 59,605,153.86/8,726.27
6. Step 6: Final answer
   x = 6,830.55