Finding the Fourth Proportional to 123.67, 185.50 and 103.33

Step by Step Solution

1. Step 1: Write the proportion equation
   123.67 : 185.50 = 103.33 : x
2. Step 2: Convert to fraction form
   123.67/185.50 = 103.33/x
3. Step 3: Cross multiply
   123.67x = 185.50 × 103.33
4. Step 4: Simplify right side
   123.67x = 19,167.72
5. Step 5: Solve for x
   x = 19,167.72/123.67
6. Step 6: Final answer
   x = 154.99