Finding the Fourth Proportional to 2,013.19, 3,019.59 and 626.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.19 : 3,019.59 = 626.53 : x
2. Step 2: Convert to fraction form
   2,013.19/3,019.59 = 626.53/x
3. Step 3: Cross multiply
   2,013.19x = 3,019.59 × 626.53
4. Step 4: Simplify right side
   2,013.19x = 1,891,863.72
5. Step 5: Solve for x
   x = 1,891,863.72/2,013.19
6. Step 6: Final answer
   x = 939.73