Finding the Fourth Proportional to 1,016.57, 1,522.77 and 495.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.57 : 1,522.77 = 495.01 : x
2. Step 2: Convert to fraction form
   1,016.57/1,522.77 = 495.01/x
3. Step 3: Cross multiply
   1,016.57x = 1,522.77 × 495.01
4. Step 4: Simplify right side
   1,016.57x = 753,786.42
5. Step 5: Solve for x
   x = 753,786.42/1,016.57
6. Step 6: Final answer
   x = 741.50