Finding the Fourth Proportional to 42.04, 57.69 and 37.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42.04 : 57.69 = 37.42 : x
2. Step 2: Convert to fraction form
   42.04/57.69 = 37.42/x
3. Step 3: Cross multiply
   42.04x = 57.69 × 37.42
4. Step 4: Simplify right side
   42.04x = 2,158.76
5. Step 5: Solve for x
   x = 2,158.76/42.04
6. Step 6: Final answer
   x = 51.35