Finding the Fourth Proportional to 91.37, 136.96 and 37.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91.37 : 136.96 = 37.24 : x
2. Step 2: Convert to fraction form
   91.37/136.96 = 37.24/x
3. Step 3: Cross multiply
   91.37x = 136.96 × 37.24
4. Step 4: Simplify right side
   91.37x = 5,100.39
5. Step 5: Solve for x
   x = 5,100.39/91.37
6. Step 6: Final answer
   x = 55.82