Finding the Fourth Proportional to 2,015.14, 3,022.59 and 628.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.14 : 3,022.59 = 628.42 : x
2. Step 2: Convert to fraction form
   2,015.14/3,022.59 = 628.42/x
3. Step 3: Cross multiply
   2,015.14x = 3,022.59 × 628.42
4. Step 4: Simplify right side
   2,015.14x = 1,899,456.01
5. Step 5: Solve for x
   x = 1,899,456.01/2,015.14
6. Step 6: Final answer
   x = 942.59