Finding the Fourth Proportional to 1,250.72, 1,725.92 and 726.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.72 : 1,725.92 = 726.72 : x
2. Step 2: Convert to fraction form
   1,250.72/1,725.92 = 726.72/x
3. Step 3: Cross multiply
   1,250.72x = 1,725.92 × 726.72
4. Step 4: Simplify right side
   1,250.72x = 1,254,260.58
5. Step 5: Solve for x
   x = 1,254,260.58/1,250.72
6. Step 6: Final answer
   x = 1,002.83