Finding the Fourth Proportional to 8,857.94, 12,223.82 and 4,879.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,857.94 : 12,223.82 = 4,879.05 : x
2. Step 2: Convert to fraction form
   8,857.94/12,223.82 = 4,879.05/x
3. Step 3: Cross multiply
   8,857.94x = 12,223.82 × 4,879.05
4. Step 4: Simplify right side
   8,857.94x = 59,640,671.73
5. Step 5: Solve for x
   x = 59,640,671.73/8,857.94
6. Step 6: Final answer
   x = 6,733.02