Finding the Fourth Proportional to 42.09, 62.72 and 41.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42.09 : 62.72 = 41.73 : x
2. Step 2: Convert to fraction form
   42.09/62.72 = 41.73/x
3. Step 3: Cross multiply
   42.09x = 62.72 × 41.73
4. Step 4: Simplify right side
   42.09x = 2,617.10
5. Step 5: Solve for x
   x = 2,617.10/42.09
6. Step 6: Final answer
   x = 62.18