Finding the Fourth Proportional to 2,456.43, 3,391.10 and 1,674.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.43 : 3,391.10 = 1,674.59 : x
2. Step 2: Convert to fraction form
   2,456.43/3,391.10 = 1,674.59/x
3. Step 3: Cross multiply
   2,456.43x = 3,391.10 × 1,674.59
4. Step 4: Simplify right side
   2,456.43x = 5,678,676.82
5. Step 5: Solve for x
   x = 5,678,676.82/2,456.43
6. Step 6: Final answer
   x = 2,311.76