Finding the Fourth Proportional to 111.37, 167.11 and 59.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111.37 : 167.11 = 59.96 : x
2. Step 2: Convert to fraction form
   111.37/167.11 = 59.96/x
3. Step 3: Cross multiply
   111.37x = 167.11 × 59.96
4. Step 4: Simplify right side
   111.37x = 10,018.93
5. Step 5: Solve for x
   x = 10,018.93/111.37
6. Step 6: Final answer
   x = 89.96