Finding the Fourth Proportional to 1,016.84, 1,524.69 and 323.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.84 : 1,524.69 = 323.38 : x
2. Step 2: Convert to fraction form
   1,016.84/1,524.69 = 323.38/x
3. Step 3: Cross multiply
   1,016.84x = 1,524.69 × 323.38
4. Step 4: Simplify right side
   1,016.84x = 493,054.25
5. Step 5: Solve for x
   x = 493,054.25/1,016.84
6. Step 6: Final answer
   x = 484.89