Finding the Fourth Proportional to 111.83, 167.68 and 50.89

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 167.68 = 50.89 : x
2. Step 2: Convert to fraction form
   111.83/167.68 = 50.89/x
3. Step 3: Cross multiply
   111.83x = 167.68 × 50.89
4. Step 4: Simplify right side
   111.83x = 8,532.69
5. Step 5: Solve for x
   x = 8,532.69/111.83
6. Step 6: Final answer
   x = 76.30