Finding the Fourth Proportional to 1,249.72, 1,724.82 and 726.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249.72 : 1,724.82 = 726.04 : x
2. Step 2: Convert to fraction form
   1,249.72/1,724.82 = 726.04/x
3. Step 3: Cross multiply
   1,249.72x = 1,724.82 × 726.04
4. Step 4: Simplify right side
   1,249.72x = 1,252,288.31
5. Step 5: Solve for x
   x = 1,252,288.31/1,249.72
6. Step 6: Final answer
   x = 1,002.06