Finding the Fourth Proportional to 123.41, 185.98 and 111.23

Step by Step Solution

1. Step 1: Write the proportion equation
   123.41 : 185.98 = 111.23 : x
2. Step 2: Convert to fraction form
   123.41/185.98 = 111.23/x
3. Step 3: Cross multiply
   123.41x = 185.98 × 111.23
4. Step 4: Simplify right side
   123.41x = 20,686.00
5. Step 5: Solve for x
   x = 20,686.00/123.41
6. Step 6: Final answer
   x = 167.63