Finding the Fourth Proportional to 1,182.98, 1,632.34 and 685.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.98 : 1,632.34 = 685.52 : x
2. Step 2: Convert to fraction form
   1,182.98/1,632.34 = 685.52/x
3. Step 3: Cross multiply
   1,182.98x = 1,632.34 × 685.52
4. Step 4: Simplify right side
   1,182.98x = 1,118,996.68
5. Step 5: Solve for x
   x = 1,118,996.68/1,182.98
6. Step 6: Final answer
   x = 945.92