Finding the Fourth Proportional to 3,949.92, 5,927.04 and 3,540.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.92 : 5,927.04 = 3,540.96 : x
2. Step 2: Convert to fraction form
   3,949.92/5,927.04 = 3,540.96/x
3. Step 3: Cross multiply
   3,949.92x = 5,927.04 × 3,540.96
4. Step 4: Simplify right side
   3,949.92x = 20,987,411.56
5. Step 5: Solve for x
   x = 20,987,411.56/3,949.92
6. Step 6: Final answer
   x = 5,313.38