Finding the Fourth Proportional to 2,022.83, 3,033.39 and 853.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.83 : 3,033.39 = 853.36 : x
2. Step 2: Convert to fraction form
   2,022.83/3,033.39 = 853.36/x
3. Step 3: Cross multiply
   2,022.83x = 3,033.39 × 853.36
4. Step 4: Simplify right side
   2,022.83x = 2,588,569.31
5. Step 5: Solve for x
   x = 2,588,569.31/2,022.83
6. Step 6: Final answer
   x = 1,279.68