Finding the Fourth Proportional to 1,016.38, 1,524.12 and 322.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.38 : 1,524.12 = 322.82 : x
2. Step 2: Convert to fraction form
   1,016.38/1,524.12 = 322.82/x
3. Step 3: Cross multiply
   1,016.38x = 1,524.12 × 322.82
4. Step 4: Simplify right side
   1,016.38x = 492,016.42
5. Step 5: Solve for x
   x = 492,016.42/1,016.38
6. Step 6: Final answer
   x = 484.09