Finding the Fourth Proportional to 1,517.31, 2,092.73 and 1,144.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.31 : 2,092.73 = 1,144.35 : x
2. Step 2: Convert to fraction form
   1,517.31/2,092.73 = 1,144.35/x
3. Step 3: Cross multiply
   1,517.31x = 2,092.73 × 1,144.35
4. Step 4: Simplify right side
   1,517.31x = 2,394,809.85
5. Step 5: Solve for x
   x = 2,394,809.85/1,517.31
6. Step 6: Final answer
   x = 1,578.33