Finding the Fourth Proportional to 8,818.38, 12,168.88 and 4,839.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,818.38 : 12,168.88 = 4,839.18 : x
2. Step 2: Convert to fraction form
   8,818.38/12,168.88 = 4,839.18/x
3. Step 3: Cross multiply
   8,818.38x = 12,168.88 × 4,839.18
4. Step 4: Simplify right side
   8,818.38x = 58,887,400.72
5. Step 5: Solve for x
   x = 58,887,400.72/8,818.38
6. Step 6: Final answer
   x = 6,677.80