Finding the Fourth Proportional to 2,016.23, 3,022.79 and 628.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.23 : 3,022.79 = 628.76 : x
2. Step 2: Convert to fraction form
   2,016.23/3,022.79 = 628.76/x
3. Step 3: Cross multiply
   2,016.23x = 3,022.79 × 628.76
4. Step 4: Simplify right side
   2,016.23x = 1,900,613.85
5. Step 5: Solve for x
   x = 1,900,613.85/2,016.23
6. Step 6: Final answer
   x = 942.66