Finding the Fourth Proportional to 1,144.92, 1,717.56 and 496.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144.92 : 1,717.56 = 496.10 : x
2. Step 2: Convert to fraction form
   1,144.92/1,717.56 = 496.10/x
3. Step 3: Cross multiply
   1,144.92x = 1,717.56 × 496.10
4. Step 4: Simplify right side
   1,144.92x = 852,081.52
5. Step 5: Solve for x
   x = 852,081.52/1,144.92
6. Step 6: Final answer
   x = 744.23