Finding the Fourth Proportional to 91.58, 137.37 and 37.47

Step by Step Solution

1. Step 1: Write the proportion equation
   91.58 : 137.37 = 37.47 : x
2. Step 2: Convert to fraction form
   91.58/137.37 = 37.47/x
3. Step 3: Cross multiply
   91.58x = 137.37 × 37.47
4. Step 4: Simplify right side
   91.58x = 5,146.38
5. Step 5: Solve for x
   x = 5,146.38/91.58
6. Step 6: Final answer
   x = 56.20