Finding the Fourth Proportional to 1,137.59, 1,569.37 and 695.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.59 : 1,569.37 = 695.23 : x
2. Step 2: Convert to fraction form
   1,137.59/1,569.37 = 695.23/x
3. Step 3: Cross multiply
   1,137.59x = 1,569.37 × 695.23
4. Step 4: Simplify right side
   1,137.59x = 1,091,061.78
5. Step 5: Solve for x
   x = 1,091,061.78/1,137.59
6. Step 6: Final answer
   x = 959.10