Finding the Fourth Proportional to 1,768.43, 2,440.74 and 1,022.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.43 : 2,440.74 = 1,022.27 : x
2. Step 2: Convert to fraction form
   1,768.43/2,440.74 = 1,022.27/x
3. Step 3: Cross multiply
   1,768.43x = 2,440.74 × 1,022.27
4. Step 4: Simplify right side
   1,768.43x = 2,495,083.08
5. Step 5: Solve for x
   x = 2,495,083.08/1,768.43
6. Step 6: Final answer
   x = 1,410.91