Finding the Fourth Proportional to 2,022.50, 3,034.17 and 636.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.50 : 3,034.17 = 636.05 : x
2. Step 2: Convert to fraction form
   2,022.50/3,034.17 = 636.05/x
3. Step 3: Cross multiply
   2,022.50x = 3,034.17 × 636.05
4. Step 4: Simplify right side
   2,022.50x = 1,929,891.41
5. Step 5: Solve for x
   x = 1,929,891.41/2,022.50
6. Step 6: Final answer
   x = 954.21