Finding the Fourth Proportional to 3,960.54, 5,464.69 and 2,388.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.54 : 5,464.69 = 2,388.60 : x
2. Step 2: Convert to fraction form
   3,960.54/5,464.69 = 2,388.60/x
3. Step 3: Cross multiply
   3,960.54x = 5,464.69 × 2,388.60
4. Step 4: Simplify right side
   3,960.54x = 13,052,958.53
5. Step 5: Solve for x
   x = 13,052,958.53/3,960.54
6. Step 6: Final answer
   x = 3,295.75