Finding the Fourth Proportional to 3,960.59, 5,468.18 and 2,544.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,960.59 : 5,468.18 = 2,544.91 : x
2. Step 2: Convert to fraction form
   3,960.59/5,468.18 = 2,544.91/x
3. Step 3: Cross multiply
   3,960.59x = 5,468.18 × 2,544.91
4. Step 4: Simplify right side
   3,960.59x = 13,915,999.57
5. Step 5: Solve for x
   x = 13,915,999.57/3,960.59
6. Step 6: Final answer
   x = 3,513.62