Finding the Fourth Proportional to 5,443.92, 7,502.04 and 3,949.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.92 : 7,502.04 = 3,949.20 : x
2. Step 2: Convert to fraction form
   5,443.92/7,502.04 = 3,949.20/x
3. Step 3: Cross multiply
   5,443.92x = 7,502.04 × 3,949.20
4. Step 4: Simplify right side
   5,443.92x = 29,627,056.37
5. Step 5: Solve for x
   x = 29,627,056.37/5,443.92
6. Step 6: Final answer
   x = 5,442.23