Finding the Fourth Proportional to 91.82, 137.73 and 37.73

Step by Step Solution

1. Step 1: Write the proportion equation
   91.82 : 137.73 = 37.73 : x
2. Step 2: Convert to fraction form
   91.82/137.73 = 37.73/x
3. Step 3: Cross multiply
   91.82x = 137.73 × 37.73
4. Step 4: Simplify right side
   91.82x = 5,196.55
5. Step 5: Solve for x
   x = 5,196.55/91.82
6. Step 6: Final answer
   x = 56.60