Finding the Fourth Proportional to 91.45, 137.18 and 27.33

Step by Step Solution

1. Step 1: Write the proportion equation
   91.45 : 137.18 = 27.33 : x
2. Step 2: Convert to fraction form
   91.45/137.18 = 27.33/x
3. Step 3: Cross multiply
   91.45x = 137.18 × 27.33
4. Step 4: Simplify right side
   91.45x = 3,748.86
5. Step 5: Solve for x
   x = 3,748.86/91.45
6. Step 6: Final answer
   x = 40.99