Finding the Fourth Proportional to 1,250.42, 1,726.17 and 726.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.42 : 1,726.17 = 726.26 : x
2. Step 2: Convert to fraction form
   1,250.42/1,726.17 = 726.26/x
3. Step 3: Cross multiply
   1,250.42x = 1,726.17 × 726.26
4. Step 4: Simplify right side
   1,250.42x = 1,253,648.22
5. Step 5: Solve for x
   x = 1,253,648.22/1,250.42
6. Step 6: Final answer
   x = 1,002.58