Finding the Fourth Proportional to 91.62, 137.32 and 37.49

Step by Step Solution

1. Step 1: Write the proportion equation
   91.62 : 137.32 = 37.49 : x
2. Step 2: Convert to fraction form
   91.62/137.32 = 37.49/x
3. Step 3: Cross multiply
   91.62x = 137.32 × 37.49
4. Step 4: Simplify right side
   91.62x = 5,147.25
5. Step 5: Solve for x
   x = 5,147.25/91.62
6. Step 6: Final answer
   x = 56.18