Finding the Fourth Proportional to 1,144.26, 1,578.36 and 695.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.26 : 1,578.36 = 695.94 : x
2. Step 2: Convert to fraction form
   1,144.26/1,578.36 = 695.94/x
3. Step 3: Cross multiply
   1,144.26x = 1,578.36 × 695.94
4. Step 4: Simplify right side
   1,144.26x = 1,098,443.86
5. Step 5: Solve for x
   x = 1,098,443.86/1,144.26
6. Step 6: Final answer
   x = 959.96