Finding the Fourth Proportional to 91.57, 137.37 and 37.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91.57 : 137.37 = 37.48 : x
2. Step 2: Convert to fraction form
   91.57/137.37 = 37.48/x
3. Step 3: Cross multiply
   91.57x = 137.37 × 37.48
4. Step 4: Simplify right side
   91.57x = 5,148.63
5. Step 5: Solve for x
   x = 5,148.63/91.57
6. Step 6: Final answer
   x = 56.23