Finding the Fourth Proportional to 42.05, 62.71 and 37.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42.05 : 62.71 = 37.50 : x
2. Step 2: Convert to fraction form
   42.05/62.71 = 37.50/x
3. Step 3: Cross multiply
   42.05x = 62.71 × 37.50
4. Step 4: Simplify right side
   42.05x = 2,351.30
5. Step 5: Solve for x
   x = 2,351.30/42.05
6. Step 6: Final answer
   x = 55.91