Finding the Fourth Proportional to 2,856.92, 4,281.24 and 1,394.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.92 : 4,281.24 = 1,394.42 : x
2. Step 2: Convert to fraction form
   2,856.92/4,281.24 = 1,394.42/x
3. Step 3: Cross multiply
   2,856.92x = 4,281.24 × 1,394.42
4. Step 4: Simplify right side
   2,856.92x = 5,969,846.68
5. Step 5: Solve for x
   x = 5,969,846.68/2,856.92
6. Step 6: Final answer
   x = 2,089.61