Finding the Fourth Proportional to 1,119.89, 1,544.81 and 726.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119.89 : 1,544.81 = 726.91 : x
2. Step 2: Convert to fraction form
   1,119.89/1,544.81 = 726.91/x
3. Step 3: Cross multiply
   1,119.89x = 1,544.81 × 726.91
4. Step 4: Simplify right side
   1,119.89x = 1,122,930.34
5. Step 5: Solve for x
   x = 1,122,930.34/1,119.89
6. Step 6: Final answer
   x = 1,002.71