Finding the Fourth Proportional to 1,182.53, 1,632.06 and 685.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.53 : 1,632.06 = 685.19 : x
2. Step 2: Convert to fraction form
   1,182.53/1,632.06 = 685.19/x
3. Step 3: Cross multiply
   1,182.53x = 1,632.06 × 685.19
4. Step 4: Simplify right side
   1,182.53x = 1,118,263.03
5. Step 5: Solve for x
   x = 1,118,263.03/1,182.53
6. Step 6: Final answer
   x = 945.66