Finding the Fourth Proportional to 5,743.18, 7,919.76 and 5,408.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,743.18 : 7,919.76 = 5,408.33 : x
2. Step 2: Convert to fraction form
   5,743.18/7,919.76 = 5,408.33/x
3. Step 3: Cross multiply
   5,743.18x = 7,919.76 × 5,408.33
4. Step 4: Simplify right side
   5,743.18x = 42,832,648.56
5. Step 5: Solve for x
   x = 42,832,648.56/5,743.18
6. Step 6: Final answer
   x = 7,458.00