Finding the Fourth Proportional to 1,144.26, 1,579.10 and 672.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.26 : 1,579.10 = 672.52 : x
2. Step 2: Convert to fraction form
   1,144.26/1,579.10 = 672.52/x
3. Step 3: Cross multiply
   1,144.26x = 1,579.10 × 672.52
4. Step 4: Simplify right side
   1,144.26x = 1,061,976.33
5. Step 5: Solve for x
   x = 1,061,976.33/1,144.26
6. Step 6: Final answer
   x = 928.09