Finding the Fourth Proportional to 2,456.38, 3,393.12 and 2,281.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.38 : 3,393.12 = 2,281.42 : x
2. Step 2: Convert to fraction form
   2,456.38/3,393.12 = 2,281.42/x
3. Step 3: Cross multiply
   2,456.38x = 3,393.12 × 2,281.42
4. Step 4: Simplify right side
   2,456.38x = 7,741,131.83
5. Step 5: Solve for x
   x = 7,741,131.83/2,456.38
6. Step 6: Final answer
   x = 3,151.44