Finding the Fourth Proportional to 91.58, 137.43 and 37.49

Step by Step Solution

1. Step 1: Write the proportion equation
   91.58 : 137.43 = 37.49 : x
2. Step 2: Convert to fraction form
   91.58/137.43 = 37.49/x
3. Step 3: Cross multiply
   91.58x = 137.43 × 37.49
4. Step 4: Simplify right side
   91.58x = 5,151.56
5. Step 5: Solve for x
   x = 5,151.56/91.58
6. Step 6: Final answer
   x = 56.26