Finding the Fourth Proportional to 2,022.09, 2,789.62 and 1,235.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.09 : 2,789.62 = 1,235.71 : x
2. Step 2: Convert to fraction form
   2,022.09/2,789.62 = 1,235.71/x
3. Step 3: Cross multiply
   2,022.09x = 2,789.62 × 1,235.71
4. Step 4: Simplify right side
   2,022.09x = 3,447,161.33
5. Step 5: Solve for x
   x = 3,447,161.33/2,022.09
6. Step 6: Final answer
   x = 1,704.75