Finding the Fourth Proportional to 8,007.72, 12,018.78 and 4,114.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,007.72 : 12,018.78 = 4,114.92 : x
2. Step 2: Convert to fraction form
   8,007.72/12,018.78 = 4,114.92/x
3. Step 3: Cross multiply
   8,007.72x = 12,018.78 × 4,114.92
4. Step 4: Simplify right side
   8,007.72x = 49,456,318.20
5. Step 5: Solve for x
   x = 49,456,318.20/8,007.72
6. Step 6: Final answer
   x = 6,176.08