Finding the Fourth Proportional to 3,399.57, 5,099.31 and 934.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.57 : 5,099.31 = 934.38 : x
2. Step 2: Convert to fraction form
   3,399.57/5,099.31 = 934.38/x
3. Step 3: Cross multiply
   3,399.57x = 5,099.31 × 934.38
4. Step 4: Simplify right side
   3,399.57x = 4,764,693.28
5. Step 5: Solve for x
   x = 4,764,693.28/3,399.57
6. Step 6: Final answer
   x = 1,401.56