Finding the Fourth Proportional to 1,189.39, 1,794.72 and 1,144.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,189.39 : 1,794.72 = 1,144.39 : x
2. Step 2: Convert to fraction form
   1,189.39/1,794.72 = 1,144.39/x
3. Step 3: Cross multiply
   1,189.39x = 1,794.72 × 1,144.39
4. Step 4: Simplify right side
   1,189.39x = 2,053,859.62
5. Step 5: Solve for x
   x = 2,053,859.62/1,189.39
6. Step 6: Final answer
   x = 1,726.82