Finding the Fourth Proportional to 1,159.94, 1,589.98 and 1,144.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.94 : 1,589.98 = 1,144.37 : x
2. Step 2: Convert to fraction form
   1,159.94/1,589.98 = 1,144.37/x
3. Step 3: Cross multiply
   1,159.94x = 1,589.98 × 1,144.37
4. Step 4: Simplify right side
   1,159.94x = 1,819,525.41
5. Step 5: Solve for x
   x = 1,819,525.41/1,159.94
6. Step 6: Final answer
   x = 1,568.64