Finding the Fourth Proportional to 111.51, 167.18 and 62.79

Step by Step Solution

1. Step 1: Write the proportion equation
   111.51 : 167.18 = 62.79 : x
2. Step 2: Convert to fraction form
   111.51/167.18 = 62.79/x
3. Step 3: Cross multiply
   111.51x = 167.18 × 62.79
4. Step 4: Simplify right side
   111.51x = 10,496.92
5. Step 5: Solve for x
   x = 10,496.92/111.51
6. Step 6: Final answer
   x = 94.13