Finding the Fourth Proportional to 1,112.49, 1,667.29 and 496.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.49 : 1,667.29 = 496.17 : x
2. Step 2: Convert to fraction form
   1,112.49/1,667.29 = 496.17/x
3. Step 3: Cross multiply
   1,112.49x = 1,667.29 × 496.17
4. Step 4: Simplify right side
   1,112.49x = 827,259.28
5. Step 5: Solve for x
   x = 827,259.28/1,112.49
6. Step 6: Final answer
   x = 743.61