Finding the Fourth Proportional to 4,016.80, 5,540.88 and 2,896.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,016.80 : 5,540.88 = 2,896.48 : x
2. Step 2: Convert to fraction form
   4,016.80/5,540.88 = 2,896.48/x
3. Step 3: Cross multiply
   4,016.80x = 5,540.88 × 2,896.48
4. Step 4: Simplify right side
   4,016.80x = 16,049,048.10
5. Step 5: Solve for x
   x = 16,049,048.10/4,016.80
6. Step 6: Final answer
   x = 3,995.48