Finding the Fourth Proportional to 111.89, 167.63 and 92.52

Step by Step Solution

1. Step 1: Write the proportion equation
   111.89 : 167.63 = 92.52 : x
2. Step 2: Convert to fraction form
   111.89/167.63 = 92.52/x
3. Step 3: Cross multiply
   111.89x = 167.63 × 92.52
4. Step 4: Simplify right side
   111.89x = 15,508.67
5. Step 5: Solve for x
   x = 15,508.67/111.89
6. Step 6: Final answer
   x = 138.61