Finding the Fourth Proportional to 1,144.48, 1,579.76 and 672.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.48 : 1,579.76 = 672.37 : x
2. Step 2: Convert to fraction form
   1,144.48/1,579.76 = 672.37/x
3. Step 3: Cross multiply
   1,144.48x = 1,579.76 × 672.37
4. Step 4: Simplify right side
   1,144.48x = 1,062,175.92
5. Step 5: Solve for x
   x = 1,062,175.92/1,144.48
6. Step 6: Final answer
   x = 928.09