Finding the Fourth Proportional to 5,333.92, 7,350.42 and 3,839.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,333.92 : 7,350.42 = 3,839.20 : x
2. Step 2: Convert to fraction form
   5,333.92/7,350.42 = 3,839.20/x
3. Step 3: Cross multiply
   5,333.92x = 7,350.42 × 3,839.20
4. Step 4: Simplify right side
   5,333.92x = 28,219,732.46
5. Step 5: Solve for x
   x = 28,219,732.46/5,333.92
6. Step 6: Final answer
   x = 5,290.62