Finding the Fourth Proportional to 8,857.29, 12,222.57 and 5,080.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,857.29 : 12,222.57 = 5,080.61 : x
2. Step 2: Convert to fraction form
   8,857.29/12,222.57 = 5,080.61/x
3. Step 3: Cross multiply
   8,857.29x = 12,222.57 × 5,080.61
4. Step 4: Simplify right side
   8,857.29x = 62,098,111.37
5. Step 5: Solve for x
   x = 62,098,111.37/8,857.29
6. Step 6: Final answer
   x = 7,010.96