Finding the Fourth Proportional to 1,726.78, 2,383.41 and 1,064.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.78 : 2,383.41 = 1,064.18 : x
2. Step 2: Convert to fraction form
   1,726.78/2,383.41 = 1,064.18/x
3. Step 3: Cross multiply
   1,726.78x = 2,383.41 × 1,064.18
4. Step 4: Simplify right side
   1,726.78x = 2,536,377.25
5. Step 5: Solve for x
   x = 2,536,377.25/1,726.78
6. Step 6: Final answer
   x = 1,468.85