Finding the Fourth Proportional to 111.82, 167.73 and 30.66

Step by Step Solution

1. Step 1: Write the proportion equation
   111.82 : 167.73 = 30.66 : x
2. Step 2: Convert to fraction form
   111.82/167.73 = 30.66/x
3. Step 3: Cross multiply
   111.82x = 167.73 × 30.66
4. Step 4: Simplify right side
   111.82x = 5,142.60
5. Step 5: Solve for x
   x = 5,142.60/111.82
6. Step 6: Final answer
   x = 45.99