Finding the Fourth Proportional to 2,020.89, 3,014.33 and 1,959.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.89 : 3,014.33 = 1,959.40 : x
2. Step 2: Convert to fraction form
   2,020.89/3,014.33 = 1,959.40/x
3. Step 3: Cross multiply
   2,020.89x = 3,014.33 × 1,959.40
4. Step 4: Simplify right side
   2,020.89x = 5,906,278.20
5. Step 5: Solve for x
   x = 5,906,278.20/2,020.89
6. Step 6: Final answer
   x = 2,922.61