Finding the Fourth Proportional to 111.82, 167.76 and 101.11

Step by Step Solution

1. Step 1: Write the proportion equation
   111.82 : 167.76 = 101.11 : x
2. Step 2: Convert to fraction form
   111.82/167.76 = 101.11/x
3. Step 3: Cross multiply
   111.82x = 167.76 × 101.11
4. Step 4: Simplify right side
   111.82x = 16,962.21
5. Step 5: Solve for x
   x = 16,962.21/111.82
6. Step 6: Final answer
   x = 151.69