Finding the Fourth Proportional to 1,768.53, 2,440.59 and 1,022.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.53 : 2,440.59 = 1,022.55 : x
2. Step 2: Convert to fraction form
   1,768.53/2,440.59 = 1,022.55/x
3. Step 3: Cross multiply
   1,768.53x = 2,440.59 × 1,022.55
4. Step 4: Simplify right side
   1,768.53x = 2,495,625.30
5. Step 5: Solve for x
   x = 2,495,625.30/1,768.53
6. Step 6: Final answer
   x = 1,411.13