Finding the Fourth Proportional to 1,192.80, 1,645.98 and 695.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192.80 : 1,645.98 = 695.34 : x
2. Step 2: Convert to fraction form
   1,192.80/1,645.98 = 695.34/x
3. Step 3: Cross multiply
   1,192.80x = 1,645.98 × 695.34
4. Step 4: Simplify right side
   1,192.80x = 1,144,515.73
5. Step 5: Solve for x
   x = 1,144,515.73/1,192.80
6. Step 6: Final answer
   x = 959.52