Finding the Fourth Proportional to 111.35, 153.83 and 95.15

Step by Step Solution

1. Step 1: Write the proportion equation
   111.35 : 153.83 = 95.15 : x
2. Step 2: Convert to fraction form
   111.35/153.83 = 95.15/x
3. Step 3: Cross multiply
   111.35x = 153.83 × 95.15
4. Step 4: Simplify right side
   111.35x = 14,636.92
5. Step 5: Solve for x
   x = 14,636.92/111.35
6. Step 6: Final answer
   x = 131.45