Finding the Fourth Proportional to 67.61, 101.43 and 27.05

Step by Step Solution

1. Step 1: Write the proportion equation
   67.61 : 101.43 = 27.05 : x
2. Step 2: Convert to fraction form
   67.61/101.43 = 27.05/x
3. Step 3: Cross multiply
   67.61x = 101.43 × 27.05
4. Step 4: Simplify right side
   67.61x = 2,743.55
5. Step 5: Solve for x
   x = 2,743.55/67.61
6. Step 6: Final answer
   x = 40.58