Finding the Fourth Proportional to 111.83, 167.78 and 50.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 167.78 = 50.95 : x
2. Step 2: Convert to fraction form
   111.83/167.78 = 50.95/x
3. Step 3: Cross multiply
   111.83x = 167.78 × 50.95
4. Step 4: Simplify right side
   111.83x = 8,548.39
5. Step 5: Solve for x
   x = 8,548.39/111.83
6. Step 6: Final answer
   x = 76.44