Finding the Fourth Proportional to 124.52, 185.81 and 111.54

Step by Step Solution

1. Step 1: Write the proportion equation
   124.52 : 185.81 = 111.54 : x
2. Step 2: Convert to fraction form
   124.52/185.81 = 111.54/x
3. Step 3: Cross multiply
   124.52x = 185.81 × 111.54
4. Step 4: Simplify right side
   124.52x = 20,724.69
5. Step 5: Solve for x
   x = 20,724.69/124.52
6. Step 6: Final answer
   x = 166.44