Finding the Fourth Proportional to 67.52, 101.07 and 52.10

Step by Step Solution

1. Step 1: Write the proportion equation
   67.52 : 101.07 = 52.10 : x
2. Step 2: Convert to fraction form
   67.52/101.07 = 52.10/x
3. Step 3: Cross multiply
   67.52x = 101.07 × 52.10
4. Step 4: Simplify right side
   67.52x = 5,265.24
5. Step 5: Solve for x
   x = 5,265.24/67.52
6. Step 6: Final answer
   x = 77.99