Finding the Fourth Proportional to 2,022.72, 3,039.80 and 1,201.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.72 : 3,039.80 = 1,201.16 : x
2. Step 2: Convert to fraction form
   2,022.72/3,039.80 = 1,201.16/x
3. Step 3: Cross multiply
   2,022.72x = 3,039.80 × 1,201.16
4. Step 4: Simplify right side
   2,022.72x = 3,651,286.17
5. Step 5: Solve for x
   x = 3,651,286.17/2,022.72
6. Step 6: Final answer
   x = 1,805.14