Finding the Fourth Proportional to 67.59, 101.58 and 52.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67.59 : 101.58 = 52.56 : x
2. Step 2: Convert to fraction form
   67.59/101.58 = 52.56/x
3. Step 3: Cross multiply
   67.59x = 101.58 × 52.56
4. Step 4: Simplify right side
   67.59x = 5,339.04
5. Step 5: Solve for x
   x = 5,339.04/67.59
6. Step 6: Final answer
   x = 78.99