Finding the Fourth Proportional to 1,112.53, 1,667.63 and 496.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.53 : 1,667.63 = 496.52 : x
2. Step 2: Convert to fraction form
   1,112.53/1,667.63 = 496.52/x
3. Step 3: Cross multiply
   1,112.53x = 1,667.63 × 496.52
4. Step 4: Simplify right side
   1,112.53x = 828,011.65
5. Step 5: Solve for x
   x = 828,011.65/1,112.53
6. Step 6: Final answer
   x = 744.26