Finding the Fourth Proportional to 1,016.81, 1,524.74 and 323.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.81 : 1,524.74 = 323.34 : x
2. Step 2: Convert to fraction form
   1,016.81/1,524.74 = 323.34/x
3. Step 3: Cross multiply
   1,016.81x = 1,524.74 × 323.34
4. Step 4: Simplify right side
   1,016.81x = 493,010.24
5. Step 5: Solve for x
   x = 493,010.24/1,016.81
6. Step 6: Final answer
   x = 484.86