Finding the Fourth Proportional to 1,726.38, 2,382.42 and 1,018.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.38 : 2,382.42 = 1,018.24 : x
2. Step 2: Convert to fraction form
   1,726.38/2,382.42 = 1,018.24/x
3. Step 3: Cross multiply
   1,726.38x = 2,382.42 × 1,018.24
4. Step 4: Simplify right side
   1,726.38x = 2,425,875.34
5. Step 5: Solve for x
   x = 2,425,875.34/1,726.38
6. Step 6: Final answer
   x = 1,405.18