Finding the Fourth Proportional to 111.02, 166.27 and 88.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111.02 : 166.27 = 88.01 : x
2. Step 2: Convert to fraction form
   111.02/166.27 = 88.01/x
3. Step 3: Cross multiply
   111.02x = 166.27 × 88.01
4. Step 4: Simplify right side
   111.02x = 14,633.42
5. Step 5: Solve for x
   x = 14,633.42/111.02
6. Step 6: Final answer
   x = 131.81