Finding the Fourth Proportional to 83.92, 115.56 and 67.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83.92 : 115.56 = 67.52 : x
2. Step 2: Convert to fraction form
   83.92/115.56 = 67.52/x
3. Step 3: Cross multiply
   83.92x = 115.56 × 67.52
4. Step 4: Simplify right side
   83.92x = 7,802.61
5. Step 5: Solve for x
   x = 7,802.61/83.92
6. Step 6: Final answer
   x = 92.98