Finding the Fourth Proportional to 1,192.74, 1,646.06 and 695.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192.74 : 1,646.06 = 695.54 : x
2. Step 2: Convert to fraction form
   1,192.74/1,646.06 = 695.54/x
3. Step 3: Cross multiply
   1,192.74x = 1,646.06 × 695.54
4. Step 4: Simplify right side
   1,192.74x = 1,144,900.57
5. Step 5: Solve for x
   x = 1,144,900.57/1,192.74
6. Step 6: Final answer
   x = 959.89