Finding the Fourth Proportional to 1,255.38, 1,732.42 and 695.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255.38 : 1,732.42 = 695.86 : x
2. Step 2: Convert to fraction form
   1,255.38/1,732.42 = 695.86/x
3. Step 3: Cross multiply
   1,255.38x = 1,732.42 × 695.86
4. Step 4: Simplify right side
   1,255.38x = 1,205,521.78
5. Step 5: Solve for x
   x = 1,205,521.78/1,255.38
6. Step 6: Final answer
   x = 960.28