Finding the Fourth Proportional to 111.06, 166.56 and 50.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111.06 : 166.56 = 50.16 : x
2. Step 2: Convert to fraction form
   111.06/166.56 = 50.16/x
3. Step 3: Cross multiply
   111.06x = 166.56 × 50.16
4. Step 4: Simplify right side
   111.06x = 8,353.82
5. Step 5: Solve for x
   x = 8,353.82/111.06
6. Step 6: Final answer
   x = 75.22