Finding the Fourth Proportional to 2,013.98, 3,021.42 and 627.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.98 : 3,021.42 = 627.30 : x
2. Step 2: Convert to fraction form
   2,013.98/3,021.42 = 627.30/x
3. Step 3: Cross multiply
   2,013.98x = 3,021.42 × 627.30
4. Step 4: Simplify right side
   2,013.98x = 1,895,336.77
5. Step 5: Solve for x
   x = 1,895,336.77/2,013.98
6. Step 6: Final answer
   x = 941.09