Finding the Fourth Proportional to 67.78, 101.63 and 37.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67.78 : 101.63 = 37.34 : x
2. Step 2: Convert to fraction form
   67.78/101.63 = 37.34/x
3. Step 3: Cross multiply
   67.78x = 101.63 × 37.34
4. Step 4: Simplify right side
   67.78x = 3,794.86
5. Step 5: Solve for x
   x = 3,794.86/67.78
6. Step 6: Final answer
   x = 55.99