Finding the Fourth Proportional to 1,726.92, 2,383.43 and 1,018.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.92 : 2,383.43 = 1,018.78 : x
2. Step 2: Convert to fraction form
   1,726.92/2,383.43 = 1,018.78/x
3. Step 3: Cross multiply
   1,726.92x = 2,383.43 × 1,018.78
4. Step 4: Simplify right side
   1,726.92x = 2,428,179.76
5. Step 5: Solve for x
   x = 2,428,179.76/1,726.92
6. Step 6: Final answer
   x = 1,406.08