Finding the Fourth Proportional to 1,137.38, 1,569.69 and 695.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137.38 : 1,569.69 = 695.55 : x
2. Step 2: Convert to fraction form
   1,137.38/1,569.69 = 695.55/x
3. Step 3: Cross multiply
   1,137.38x = 1,569.69 × 695.55
4. Step 4: Simplify right side
   1,137.38x = 1,091,797.88
5. Step 5: Solve for x
   x = 1,091,797.88/1,137.38
6. Step 6: Final answer
   x = 959.92