Finding the Fourth Proportional to 111.22, 166.83 and 63.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111.22 : 166.83 = 63.10 : x
2. Step 2: Convert to fraction form
   111.22/166.83 = 63.10/x
3. Step 3: Cross multiply
   111.22x = 166.83 × 63.10
4. Step 4: Simplify right side
   111.22x = 10,526.97
5. Step 5: Solve for x
   x = 10,526.97/111.22
6. Step 6: Final answer
   x = 94.65