Finding the Fourth Proportional to 5,441.38, 7,509.49 and 3,142.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,441.38 : 7,509.49 = 3,142.46 : x
2. Step 2: Convert to fraction form
   5,441.38/7,509.49 = 3,142.46/x
3. Step 3: Cross multiply
   5,441.38x = 7,509.49 × 3,142.46
4. Step 4: Simplify right side
   5,441.38x = 23,598,300.54
5. Step 5: Solve for x
   x = 23,598,300.54/5,441.38
6. Step 6: Final answer
   x = 4,336.82