Finding the Fourth Proportional to 3,960.82, 5,464.63 and 2,281.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.82 : 5,464.63 = 2,281.62 : x
2. Step 2: Convert to fraction form
   3,960.82/5,464.63 = 2,281.62/x
3. Step 3: Cross multiply
   3,960.82x = 5,464.63 × 2,281.62
4. Step 4: Simplify right side
   3,960.82x = 12,468,209.10
5. Step 5: Solve for x
   x = 12,468,209.10/3,960.82
6. Step 6: Final answer
   x = 3,147.89