Finding the Fourth Proportional to 2,013.32, 3,020.18 and 626.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.32 : 3,020.18 = 626.28 : x
2. Step 2: Convert to fraction form
   2,013.32/3,020.18 = 626.28/x
3. Step 3: Cross multiply
   2,013.32x = 3,020.18 × 626.28
4. Step 4: Simplify right side
   2,013.32x = 1,891,475.20
5. Step 5: Solve for x
   x = 1,891,475.20/2,013.32
6. Step 6: Final answer
   x = 939.48