Finding the Fourth Proportional to 1,792.25, 2,687.42 and 559.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.25 : 2,687.42 = 559.33 : x
2. Step 2: Convert to fraction form
   1,792.25/2,687.42 = 559.33/x
3. Step 3: Cross multiply
   1,792.25x = 2,687.42 × 559.33
4. Step 4: Simplify right side
   1,792.25x = 1,503,149.31
5. Step 5: Solve for x
   x = 1,503,149.31/1,792.25
6. Step 6: Final answer
   x = 838.69