Finding the Fourth Proportional to 1,167.38, 1,610.82 and 695.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.38 : 1,610.82 = 695.30 : x
2. Step 2: Convert to fraction form
   1,167.38/1,610.82 = 695.30/x
3. Step 3: Cross multiply
   1,167.38x = 1,610.82 × 695.30
4. Step 4: Simplify right side
   1,167.38x = 1,120,003.15
5. Step 5: Solve for x
   x = 1,120,003.15/1,167.38
6. Step 6: Final answer
   x = 959.42