Finding the Fourth Proportional to 2,830.09, 4,244.33 and 980.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.09 : 4,244.33 = 980.73 : x
2. Step 2: Convert to fraction form
   2,830.09/4,244.33 = 980.73/x
3. Step 3: Cross multiply
   2,830.09x = 4,244.33 × 980.73
4. Step 4: Simplify right side
   2,830.09x = 4,162,515.64
5. Step 5: Solve for x
   x = 4,162,515.64/2,830.09
6. Step 6: Final answer
   x = 1,470.81