Finding the Fourth Proportional to 8,818.46, 12,168.78 and 4,839.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,818.46 : 12,168.78 = 4,839.56 : x
2. Step 2: Convert to fraction form
   8,818.46/12,168.78 = 4,839.56/x
3. Step 3: Cross multiply
   8,818.46x = 12,168.78 × 4,839.56
4. Step 4: Simplify right side
   8,818.46x = 58,891,540.94
5. Step 5: Solve for x
   x = 58,891,540.94/8,818.46
6. Step 6: Final answer
   x = 6,678.21