Finding the Fourth Proportional to 111.32, 167.02 and 50.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111.32 : 167.02 = 50.50 : x
2. Step 2: Convert to fraction form
   111.32/167.02 = 50.50/x
3. Step 3: Cross multiply
   111.32x = 167.02 × 50.50
4. Step 4: Simplify right side
   111.32x = 8,434.51
5. Step 5: Solve for x
   x = 8,434.51/111.32
6. Step 6: Final answer
   x = 75.77