Finding the Fourth Proportional to 2,022.84, 2,791.56 and 1,226.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.84 : 2,791.56 = 1,226.16 : x
2. Step 2: Convert to fraction form
   2,022.84/2,791.56 = 1,226.16/x
3. Step 3: Cross multiply
   2,022.84x = 2,791.56 × 1,226.16
4. Step 4: Simplify right side
   2,022.84x = 3,422,899.21
5. Step 5: Solve for x
   x = 3,422,899.21/2,022.84
6. Step 6: Final answer
   x = 1,692.13