Finding the Fourth Proportional to 8,879.05, 12,252.72 and 4,900.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.05 : 12,252.72 = 4,900.15 : x
2. Step 2: Convert to fraction form
   8,879.05/12,252.72 = 4,900.15/x
3. Step 3: Cross multiply
   8,879.05x = 12,252.72 × 4,900.15
4. Step 4: Simplify right side
   8,879.05x = 60,040,165.91
5. Step 5: Solve for x
   x = 60,040,165.91/8,879.05
6. Step 6: Final answer
   x = 6,762.00