Finding the Fourth Proportional to 1,118.54, 1,544.04 and 726.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.54 : 1,544.04 = 726.71 : x
2. Step 2: Convert to fraction form
   1,118.54/1,544.04 = 726.71/x
3. Step 3: Cross multiply
   1,118.54x = 1,544.04 × 726.71
4. Step 4: Simplify right side
   1,118.54x = 1,122,061.59
5. Step 5: Solve for x
   x = 1,122,061.59/1,118.54
6. Step 6: Final answer
   x = 1,003.15