Finding the Fourth Proportional to 67.29, 100.79 and 52.83

Step by Step Solution

1. Step 1: Write the proportion equation
   67.29 : 100.79 = 52.83 : x
2. Step 2: Convert to fraction form
   67.29/100.79 = 52.83/x
3. Step 3: Cross multiply
   67.29x = 100.79 × 52.83
4. Step 4: Simplify right side
   67.29x = 5,324.47
5. Step 5: Solve for x
   x = 5,324.47/67.29
6. Step 6: Final answer
   x = 79.13