Finding the Fourth Proportional to 2,456.81, 3,391.61 and 1,674.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.81 : 3,391.61 = 1,674.96 : x
2. Step 2: Convert to fraction form
   2,456.81/3,391.61 = 1,674.96/x
3. Step 3: Cross multiply
   2,456.81x = 3,391.61 × 1,674.96
4. Step 4: Simplify right side
   2,456.81x = 5,680,785.75
5. Step 5: Solve for x
   x = 5,680,785.75/2,456.81
6. Step 6: Final answer
   x = 2,312.27