Finding the Fourth Proportional to 2,020.28, 3,027.86 and 980.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.28 : 3,027.86 = 980.52 : x
2. Step 2: Convert to fraction form
   2,020.28/3,027.86 = 980.52/x
3. Step 3: Cross multiply
   2,020.28x = 3,027.86 × 980.52
4. Step 4: Simplify right side
   2,020.28x = 2,968,877.29
5. Step 5: Solve for x
   x = 2,968,877.29/2,020.28
6. Step 6: Final answer
   x = 1,469.54