Finding the Fourth Proportional to 91.37, 137.12 and 37.27

Step by Step Solution

1. Step 1: Write the proportion equation
   91.37 : 137.12 = 37.27 : x
2. Step 2: Convert to fraction form
   91.37/137.12 = 37.27/x
3. Step 3: Cross multiply
   91.37x = 137.12 × 37.27
4. Step 4: Simplify right side
   91.37x = 5,109.93
5. Step 5: Solve for x
   x = 5,109.93/91.37
6. Step 6: Final answer
   x = 55.92