Finding the Fourth Proportional to 8,862.47, 12,229.71 and 4,883.57

Step by Step Solution

1. Step 1: Write the proportion equation
   8,862.47 : 12,229.71 = 4,883.57 : x
2. Step 2: Convert to fraction form
   8,862.47/12,229.71 = 4,883.57/x
3. Step 3: Cross multiply
   8,862.47x = 12,229.71 × 4,883.57
4. Step 4: Simplify right side
   8,862.47x = 59,724,644.86
5. Step 5: Solve for x
   x = 59,724,644.86/8,862.47
6. Step 6: Final answer
   x = 6,739.05