Finding the Fourth Proportional to 8,879.76, 12,253.71 and 4,900.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,879.76 : 12,253.71 = 4,900.82 : x
2. Step 2: Convert to fraction form
   8,879.76/12,253.71 = 4,900.82/x
3. Step 3: Cross multiply
   8,879.76x = 12,253.71 × 4,900.82
4. Step 4: Simplify right side
   8,879.76x = 60,053,165.77
5. Step 5: Solve for x
   x = 60,053,165.77/8,879.76
6. Step 6: Final answer
   x = 6,762.93