Finding the Fourth Proportional to 1,016.98, 1,526.03 and 496.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.98 : 1,526.03 = 496.98 : x
2. Step 2: Convert to fraction form
   1,016.98/1,526.03 = 496.98/x
3. Step 3: Cross multiply
   1,016.98x = 1,526.03 × 496.98
4. Step 4: Simplify right side
   1,016.98x = 758,406.39
5. Step 5: Solve for x
   x = 758,406.39/1,016.98
6. Step 6: Final answer
   x = 745.74