Finding the Fourth Proportional to 111.17, 152.83 and 95.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111.17 : 152.83 = 95.57 : x
2. Step 2: Convert to fraction form
   111.17/152.83 = 95.57/x
3. Step 3: Cross multiply
   111.17x = 152.83 × 95.57
4. Step 4: Simplify right side
   111.17x = 14,605.96
5. Step 5: Solve for x
   x = 14,605.96/111.17
6. Step 6: Final answer
   x = 131.38