Finding the Fourth Proportional to 5,744.88, 7,923.69 and 3,728.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,744.88 : 7,923.69 = 3,728.79 : x
2. Step 2: Convert to fraction form
   5,744.88/7,923.69 = 3,728.79/x
3. Step 3: Cross multiply
   5,744.88x = 7,923.69 × 3,728.79
4. Step 4: Simplify right side
   5,744.88x = 29,545,776.04
5. Step 5: Solve for x
   x = 29,545,776.04/5,744.88
6. Step 6: Final answer
   x = 5,142.98