Finding the Fourth Proportional to 91.53, 137.27 and 37.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91.53 : 137.27 = 37.42 : x
2. Step 2: Convert to fraction form
   91.53/137.27 = 37.42/x
3. Step 3: Cross multiply
   91.53x = 137.27 × 37.42
4. Step 4: Simplify right side
   91.53x = 5,136.39
5. Step 5: Solve for x
   x = 5,136.39/91.53
6. Step 6: Final answer
   x = 56.12