Finding the Fourth Proportional to 1,182.84, 1,632.58 and 685.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,182.84 : 1,632.58 = 685.42 : x
2. Step 2: Convert to fraction form
   1,182.84/1,632.58 = 685.42/x
3. Step 3: Cross multiply
   1,182.84x = 1,632.58 × 685.42
4. Step 4: Simplify right side
   1,182.84x = 1,119,002.98
5. Step 5: Solve for x
   x = 1,119,002.98/1,182.84
6. Step 6: Final answer
   x = 946.03