Finding the Fourth Proportional to 5,743.37, 7,920.02 and 5,408.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,743.37 : 7,920.02 = 5,408.52 : x
2. Step 2: Convert to fraction form
   5,743.37/7,920.02 = 5,408.52/x
3. Step 3: Cross multiply
   5,743.37x = 7,920.02 × 5,408.52
4. Step 4: Simplify right side
   5,743.37x = 42,835,559.53
5. Step 5: Solve for x
   x = 42,835,559.53/5,743.37
6. Step 6: Final answer
   x = 7,458.27