Finding the Fourth Proportional to 111.27, 167.71 and 103.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111.27 : 167.71 = 103.83 : x
2. Step 2: Convert to fraction form
   111.27/167.71 = 103.83/x
3. Step 3: Cross multiply
   111.27x = 167.71 × 103.83
4. Step 4: Simplify right side
   111.27x = 17,413.33
5. Step 5: Solve for x
   x = 17,413.33/111.27
6. Step 6: Final answer
   x = 156.50