Finding the Fourth Proportional to 111.98, 167.97 and 30.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111.98 : 167.97 = 30.82 : x
2. Step 2: Convert to fraction form
   111.98/167.97 = 30.82/x
3. Step 3: Cross multiply
   111.98x = 167.97 × 30.82
4. Step 4: Simplify right side
   111.98x = 5,176.84
5. Step 5: Solve for x
   x = 5,176.84/111.98
6. Step 6: Final answer
   x = 46.23