Finding the Fourth Proportional to 111.33, 167.15 and 50.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111.33 : 167.15 = 50.58 : x
2. Step 2: Convert to fraction form
   111.33/167.15 = 50.58/x
3. Step 3: Cross multiply
   111.33x = 167.15 × 50.58
4. Step 4: Simplify right side
   111.33x = 8,454.57
5. Step 5: Solve for x
   x = 8,454.57/111.33
6. Step 6: Final answer
   x = 75.94