Finding the Fourth Proportional to 111.86, 167.86 and 73.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111.86 : 167.86 = 73.36 : x
2. Step 2: Convert to fraction form
   111.86/167.86 = 73.36/x
3. Step 3: Cross multiply
   111.86x = 167.86 × 73.36
4. Step 4: Simplify right side
   111.86x = 12,313.46
5. Step 5: Solve for x
   x = 12,313.46/111.86
6. Step 6: Final answer
   x = 110.08