Finding the Fourth Proportional to 111.10, 153.17 and 95.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111.10 : 153.17 = 95.72 : x
2. Step 2: Convert to fraction form
   111.10/153.17 = 95.72/x
3. Step 3: Cross multiply
   111.10x = 153.17 × 95.72
4. Step 4: Simplify right side
   111.10x = 14,661.82
5. Step 5: Solve for x
   x = 14,661.82/111.10
6. Step 6: Final answer
   x = 131.97