Finding the Fourth Proportional to 8,874.61, 12,247.56 and 5,148.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,874.61 : 12,247.56 = 5,148.61 : x
2. Step 2: Convert to fraction form
   8,874.61/12,247.56 = 5,148.61/x
3. Step 3: Cross multiply
   8,874.61x = 12,247.56 × 5,148.61
4. Step 4: Simplify right side
   8,874.61x = 63,057,909.89
5. Step 5: Solve for x
   x = 63,057,909.89/8,874.61
6. Step 6: Final answer
   x = 7,105.43