Finding the Fourth Proportional to 111.52, 167.15 and 50.67

Step by Step Solution

1. Step 1: Write the proportion equation
   111.52 : 167.15 = 50.67 : x
2. Step 2: Convert to fraction form
   111.52/167.15 = 50.67/x
3. Step 3: Cross multiply
   111.52x = 167.15 × 50.67
4. Step 4: Simplify right side
   111.52x = 8,469.64
5. Step 5: Solve for x
   x = 8,469.64/111.52
6. Step 6: Final answer
   x = 75.95