Finding the Fourth Proportional to 42.01, 62.96 and 37.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42.01 : 62.96 = 37.72 : x
2. Step 2: Convert to fraction form
   42.01/62.96 = 37.72/x
3. Step 3: Cross multiply
   42.01x = 62.96 × 37.72
4. Step 4: Simplify right side
   42.01x = 2,374.85
5. Step 5: Solve for x
   x = 2,374.85/42.01
6. Step 6: Final answer
   x = 56.53