Finding the Fourth Proportional to 111.83, 167.76 and 96.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111.83 : 167.76 = 96.57 : x
2. Step 2: Convert to fraction form
   111.83/167.76 = 96.57/x
3. Step 3: Cross multiply
   111.83x = 167.76 × 96.57
4. Step 4: Simplify right side
   111.83x = 16,200.58
5. Step 5: Solve for x
   x = 16,200.58/111.83
6. Step 6: Final answer
   x = 144.87