Finding the Fourth Proportional to 1,182.43, 1,772.25 and 695.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.43 : 1,772.25 = 695.80 : x
2. Step 2: Convert to fraction form
   1,182.43/1,772.25 = 695.80/x
3. Step 3: Cross multiply
   1,182.43x = 1,772.25 × 695.80
4. Step 4: Simplify right side
   1,182.43x = 1,233,131.55
5. Step 5: Solve for x
   x = 1,233,131.55/1,182.43
6. Step 6: Final answer
   x = 1,042.88