Finding the Fourth Proportional to 67.61, 101.27 and 52.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67.61 : 101.27 = 52.28 : x
2. Step 2: Convert to fraction form
   67.61/101.27 = 52.28/x
3. Step 3: Cross multiply
   67.61x = 101.27 × 52.28
4. Step 4: Simplify right side
   67.61x = 5,293.82
5. Step 5: Solve for x
   x = 5,293.82/67.61
6. Step 6: Final answer
   x = 78.30