Finding the Fourth Proportional to 1,016.58, 1,523.49 and 496.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.58 : 1,523.49 = 496.51 : x
2. Step 2: Convert to fraction form
   1,016.58/1,523.49 = 496.51/x
3. Step 3: Cross multiply
   1,016.58x = 1,523.49 × 496.51
4. Step 4: Simplify right side
   1,016.58x = 756,428.02
5. Step 5: Solve for x
   x = 756,428.02/1,016.58
6. Step 6: Final answer
   x = 744.09