Finding the Fourth Proportional to 1,768.37, 2,440.17 and 1,022.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,768.37 : 2,440.17 = 1,022.31 : x
2. Step 2: Convert to fraction form
   1,768.37/2,440.17 = 1,022.31/x
3. Step 3: Cross multiply
   1,768.37x = 2,440.17 × 1,022.31
4. Step 4: Simplify right side
   1,768.37x = 2,494,610.19
5. Step 5: Solve for x
   x = 2,494,610.19/1,768.37
6. Step 6: Final answer
   x = 1,410.69