Finding the Fourth Proportional to 8,879.72, 12,253.98 and 4,900.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.72 : 12,253.98 = 4,900.82 : x
2. Step 2: Convert to fraction form
   8,879.72/12,253.98 = 4,900.82/x
3. Step 3: Cross multiply
   8,879.72x = 12,253.98 × 4,900.82
4. Step 4: Simplify right side
   8,879.72x = 60,054,550.26
5. Step 5: Solve for x
   x = 60,054,550.26/8,879.72
6. Step 6: Final answer
   x = 6,763.11