Finding the Fourth Proportional to 111.03, 166.59 and 62.31

Step by Step Solution

1. Step 1: Write the proportion equation
   111.03 : 166.59 = 62.31 : x
2. Step 2: Convert to fraction form
   111.03/166.59 = 62.31/x
3. Step 3: Cross multiply
   111.03x = 166.59 × 62.31
4. Step 4: Simplify right side
   111.03x = 10,380.42
5. Step 5: Solve for x
   x = 10,380.42/111.03
6. Step 6: Final answer
   x = 93.49