Finding the Fourth Proportional to 111.53, 167.24 and 62.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111.53 : 167.24 = 62.78 : x
2. Step 2: Convert to fraction form
   111.53/167.24 = 62.78/x
3. Step 3: Cross multiply
   111.53x = 167.24 × 62.78
4. Step 4: Simplify right side
   111.53x = 10,498.65
5. Step 5: Solve for x
   x = 10,498.65/111.53
6. Step 6: Final answer
   x = 94.13