Finding the Fourth Proportional to 8,089.34, 12,124.17 and 4,382.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,089.34 : 12,124.17 = 4,382.78 : x
2. Step 2: Convert to fraction form
   8,089.34/12,124.17 = 4,382.78/x
3. Step 3: Cross multiply
   8,089.34x = 12,124.17 × 4,382.78
4. Step 4: Simplify right side
   8,089.34x = 53,137,569.79
5. Step 5: Solve for x
   x = 53,137,569.79/8,089.34
6. Step 6: Final answer
   x = 6,568.84