Finding the Fourth Proportional to 1,112.44, 1,667.59 and 496.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.44 : 1,667.59 = 496.23 : x
2. Step 2: Convert to fraction form
   1,112.44/1,667.59 = 496.23/x
3. Step 3: Cross multiply
   1,112.44x = 1,667.59 × 496.23
4. Step 4: Simplify right side
   1,112.44x = 827,508.19
5. Step 5: Solve for x
   x = 827,508.19/1,112.44
6. Step 6: Final answer
   x = 743.87