Finding the Fourth Proportional to 1,167.59, 1,610.98 and 695.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.59 : 1,610.98 = 695.48 : x
2. Step 2: Convert to fraction form
   1,167.59/1,610.98 = 695.48/x
3. Step 3: Cross multiply
   1,167.59x = 1,610.98 × 695.48
4. Step 4: Simplify right side
   1,167.59x = 1,120,394.58
5. Step 5: Solve for x
   x = 1,120,394.58/1,167.59
6. Step 6: Final answer
   x = 959.58