Finding the Fourth Proportional to 91.67, 137.50 and 27.54

Step by Step Solution

1. Step 1: Write the proportion equation
   91.67 : 137.50 = 27.54 : x
2. Step 2: Convert to fraction form
   91.67/137.50 = 27.54/x
3. Step 3: Cross multiply
   91.67x = 137.50 × 27.54
4. Step 4: Simplify right side
   91.67x = 3,786.61
5. Step 5: Solve for x
   x = 3,786.61/91.67
6. Step 6: Final answer
   x = 41.31