Finding the Fourth Proportional to 2,019.86, 3,029.71 and 633.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019.86 : 3,029.71 = 633.18 : x
2. Step 2: Convert to fraction form
   2,019.86/3,029.71 = 633.18/x
3. Step 3: Cross multiply
   2,019.86x = 3,029.71 × 633.18
4. Step 4: Simplify right side
   2,019.86x = 1,918,351.78
5. Step 5: Solve for x
   x = 1,918,351.78/2,019.86
6. Step 6: Final answer
   x = 949.74