Finding the Fourth Proportional to 3,960.90, 5,466.42 and 2,282.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.90 : 5,466.42 = 2,282.85 : x
2. Step 2: Convert to fraction form
   3,960.90/5,466.42 = 2,282.85/x
3. Step 3: Cross multiply
   3,960.90x = 5,466.42 × 2,282.85
4. Step 4: Simplify right side
   3,960.90x = 12,479,016.90
5. Step 5: Solve for x
   x = 12,479,016.90/3,960.90
6. Step 6: Final answer
   x = 3,150.55