Finding the Fourth Proportional to 1,016.28, 1,524.42 and 323.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.28 : 1,524.42 = 323.01 : x
2. Step 2: Convert to fraction form
   1,016.28/1,524.42 = 323.01/x
3. Step 3: Cross multiply
   1,016.28x = 1,524.42 × 323.01
4. Step 4: Simplify right side
   1,016.28x = 492,402.90
5. Step 5: Solve for x
   x = 492,402.90/1,016.28
6. Step 6: Final answer
   x = 484.52