Finding the Fourth Proportional to 123.05, 169.83 and 73.27

Step by Step Solution

1. Step 1: Write the proportion equation
   123.05 : 169.83 = 73.27 : x
2. Step 2: Convert to fraction form
   123.05/169.83 = 73.27/x
3. Step 3: Cross multiply
   123.05x = 169.83 × 73.27
4. Step 4: Simplify right side
   123.05x = 12,443.02
5. Step 5: Solve for x
   x = 12,443.02/123.05
6. Step 6: Final answer
   x = 101.12