Finding the Fourth Proportional to 2,020.51, 3,028.52 and 850.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020.51 : 3,028.52 = 850.17 : x
2. Step 2: Convert to fraction form
   2,020.51/3,028.52 = 850.17/x
3. Step 3: Cross multiply
   2,020.51x = 3,028.52 × 850.17
4. Step 4: Simplify right side
   2,020.51x = 2,574,758.97
5. Step 5: Solve for x
   x = 2,574,758.97/2,020.51
6. Step 6: Final answer
   x = 1,274.31