Finding the Fourth Proportional to 111.06, 152.91 and 96.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111.06 : 152.91 = 96.42 : x
2. Step 2: Convert to fraction form
   111.06/152.91 = 96.42/x
3. Step 3: Cross multiply
   111.06x = 152.91 × 96.42
4. Step 4: Simplify right side
   111.06x = 14,743.58
5. Step 5: Solve for x
   x = 14,743.58/111.06
6. Step 6: Final answer
   x = 132.75