Finding the Fourth Proportional to 111.06, 166.63 and 34.03

Step by Step Solution

1. Step 1: Write the proportion equation
   111.06 : 166.63 = 34.03 : x
2. Step 2: Convert to fraction form
   111.06/166.63 = 34.03/x
3. Step 3: Cross multiply
   111.06x = 166.63 × 34.03
4. Step 4: Simplify right side
   111.06x = 5,670.42
5. Step 5: Solve for x
   x = 5,670.42/111.06
6. Step 6: Final answer
   x = 51.06