Finding the Fourth Proportional to 115.92, 173.83 and 72.52

Step by Step Solution

1. Step 1: Write the proportion equation
   115.92 : 173.83 = 72.52 : x
2. Step 2: Convert to fraction form
   115.92/173.83 = 72.52/x
3. Step 3: Cross multiply
   115.92x = 173.83 × 72.52
4. Step 4: Simplify right side
   115.92x = 12,606.15
5. Step 5: Solve for x
   x = 12,606.15/115.92
6. Step 6: Final answer
   x = 108.75