Finding the Fourth Proportional to 8,283.72, 12,425.69 and 2,440.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,283.72 : 12,425.69 = 2,440.45 : x
2. Step 2: Convert to fraction form
   8,283.72/12,425.69 = 2,440.45/x
3. Step 3: Cross multiply
   8,283.72x = 12,425.69 × 2,440.45
4. Step 4: Simplify right side
   8,283.72x = 30,324,275.16
5. Step 5: Solve for x
   x = 30,324,275.16/8,283.72
6. Step 6: Final answer
   x = 3,660.71