Finding the Fourth Proportional to 3,399.33, 4,690.39 and 2,456.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,399.33 : 4,690.39 = 2,456.56 : x
2. Step 2: Convert to fraction form
   3,399.33/4,690.39 = 2,456.56/x
3. Step 3: Cross multiply
   3,399.33x = 4,690.39 × 2,456.56
4. Step 4: Simplify right side
   3,399.33x = 11,522,188.72
5. Step 5: Solve for x
   x = 11,522,188.72/3,399.33
6. Step 6: Final answer
   x = 3,389.55