Finding the Fourth Proportional to 1,726.37, 2,382.71 and 1,018.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.37 : 2,382.71 = 1,018.17 : x
2. Step 2: Convert to fraction form
   1,726.37/2,382.71 = 1,018.17/x
3. Step 3: Cross multiply
   1,726.37x = 2,382.71 × 1,018.17
4. Step 4: Simplify right side
   1,726.37x = 2,426,007.68
5. Step 5: Solve for x
   x = 2,426,007.68/1,726.37
6. Step 6: Final answer
   x = 1,405.26