Finding the Fourth Proportional to 67.78, 101.42 and 37.37

Step by Step Solution

1. Step 1: Write the proportion equation
   67.78 : 101.42 = 37.37 : x
2. Step 2: Convert to fraction form
   67.78/101.42 = 37.37/x
3. Step 3: Cross multiply
   67.78x = 101.42 × 37.37
4. Step 4: Simplify right side
   67.78x = 3,789.88
5. Step 5: Solve for x
   x = 3,789.88/67.78
6. Step 6: Final answer
   x = 55.92