Finding the Fourth Proportional to 2,854.01, 4,281.71 and 979.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,854.01 : 4,281.71 = 979.88 : x
2. Step 2: Convert to fraction form
   2,854.01/4,281.71 = 979.88/x
3. Step 3: Cross multiply
   2,854.01x = 4,281.71 × 979.88
4. Step 4: Simplify right side
   2,854.01x = 4,195,535.69
5. Step 5: Solve for x
   x = 4,195,535.69/2,854.01
6. Step 6: Final answer
   x = 1,470.05