Finding the Fourth Proportional to 8,857.61, 13,287.17 and 2,283.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,857.61 : 13,287.17 = 2,283.74 : x
2. Step 2: Convert to fraction form
   8,857.61/13,287.17 = 2,283.74/x
3. Step 3: Cross multiply
   8,857.61x = 13,287.17 × 2,283.74
4. Step 4: Simplify right side
   8,857.61x = 30,344,380.89
5. Step 5: Solve for x
   x = 30,344,380.89/8,857.61
6. Step 6: Final answer
   x = 3,425.80