Finding the Fourth Proportional to 111.87, 167.73 and 60.38

Step by Step Solution

1. Step 1: Write the proportion equation
   111.87 : 167.73 = 60.38 : x
2. Step 2: Convert to fraction form
   111.87/167.73 = 60.38/x
3. Step 3: Cross multiply
   111.87x = 167.73 × 60.38
4. Step 4: Simplify right side
   111.87x = 10,128.11
5. Step 5: Solve for x
   x = 10,128.11/111.87
6. Step 6: Final answer
   x = 90.54