Finding the Fourth Proportional to 42.05, 62.57 and 37.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42.05 : 62.57 = 37.49 : x
2. Step 2: Convert to fraction form
   42.05/62.57 = 37.49/x
3. Step 3: Cross multiply
   42.05x = 62.57 × 37.49
4. Step 4: Simplify right side
   42.05x = 2,345.53
5. Step 5: Solve for x
   x = 2,345.53/42.05
6. Step 6: Final answer
   x = 55.78