Finding the Fourth Proportional to 2,050.74, 3,074.25 and 817.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.74 : 3,074.25 = 817.89 : x
2. Step 2: Convert to fraction form
   2,050.74/3,074.25 = 817.89/x
3. Step 3: Cross multiply
   2,050.74x = 3,074.25 × 817.89
4. Step 4: Simplify right side
   2,050.74x = 2,514,398.33
5. Step 5: Solve for x
   x = 2,514,398.33/2,050.74
6. Step 6: Final answer
   x = 1,226.09