Finding the Fourth Proportional to 123.83, 185.67 and 54.41

Step by Step Solution

1. Step 1: Write the proportion equation
   123.83 : 185.67 = 54.41 : x
2. Step 2: Convert to fraction form
   123.83/185.67 = 54.41/x
3. Step 3: Cross multiply
   123.83x = 185.67 × 54.41
4. Step 4: Simplify right side
   123.83x = 10,101.38
5. Step 5: Solve for x
   x = 10,101.38/123.83
6. Step 6: Final answer
   x = 81.58