Finding the Fourth Proportional to 67.72, 101.52 and 37.29

Step by Step Solution

1. Step 1: Write the proportion equation
   67.72 : 101.52 = 37.29 : x
2. Step 2: Convert to fraction form
   67.72/101.52 = 37.29/x
3. Step 3: Cross multiply
   67.72x = 101.52 × 37.29
4. Step 4: Simplify right side
   67.72x = 3,785.68
5. Step 5: Solve for x
   x = 3,785.68/67.72
6. Step 6: Final answer
   x = 55.90