Finding the Fourth Proportional to 111.73, 167.59 and 30.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111.73 : 167.59 = 30.58 : x
2. Step 2: Convert to fraction form
   111.73/167.59 = 30.58/x
3. Step 3: Cross multiply
   111.73x = 167.59 × 30.58
4. Step 4: Simplify right side
   111.73x = 5,124.90
5. Step 5: Solve for x
   x = 5,124.90/111.73
6. Step 6: Final answer
   x = 45.87