Finding the Fourth Proportional to 1,726.57, 2,383.46 and 1,018.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.57 : 2,383.46 = 1,018.17 : x
2. Step 2: Convert to fraction form
   1,726.57/2,383.46 = 1,018.17/x
3. Step 3: Cross multiply
   1,726.57x = 2,383.46 × 1,018.17
4. Step 4: Simplify right side
   1,726.57x = 2,426,766.20
5. Step 5: Solve for x
   x = 2,426,766.20/1,726.57
6. Step 6: Final answer
   x = 1,405.55