Finding the Fourth Proportional to 1,016.82, 1,524.69 and 323.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.82 : 1,524.69 = 323.30 : x
2. Step 2: Convert to fraction form
   1,016.82/1,524.69 = 323.30/x
3. Step 3: Cross multiply
   1,016.82x = 1,524.69 × 323.30
4. Step 4: Simplify right side
   1,016.82x = 492,930.66
5. Step 5: Solve for x
   x = 492,930.66/1,016.82
6. Step 6: Final answer
   x = 484.78