Finding the Fourth Proportional to 1,016.82, 1,524.92 and 323.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.82 : 1,524.92 = 323.31 : x
2. Step 2: Convert to fraction form
   1,016.82/1,524.92 = 323.31/x
3. Step 3: Cross multiply
   1,016.82x = 1,524.92 × 323.31
4. Step 4: Simplify right side
   1,016.82x = 493,020.27
5. Step 5: Solve for x
   x = 493,020.27/1,016.82
6. Step 6: Final answer
   x = 484.86