Finding the Fourth Proportional to 2,022.72, 3,034.10 and 636.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.72 : 3,034.10 = 636.02 : x
2. Step 2: Convert to fraction form
   2,022.72/3,034.10 = 636.02/x
3. Step 3: Cross multiply
   2,022.72x = 3,034.10 × 636.02
4. Step 4: Simplify right side
   2,022.72x = 1,929,748.28
5. Step 5: Solve for x
   x = 1,929,748.28/2,022.72
6. Step 6: Final answer
   x = 954.04