Finding the Fourth Proportional to 1,016.46, 1,523.59 and 496.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.46 : 1,523.59 = 496.81 : x
2. Step 2: Convert to fraction form
   1,016.46/1,523.59 = 496.81/x
3. Step 3: Cross multiply
   1,016.46x = 1,523.59 × 496.81
4. Step 4: Simplify right side
   1,016.46x = 756,935.41
5. Step 5: Solve for x
   x = 756,935.41/1,016.46
6. Step 6: Final answer
   x = 744.68