Finding the Fourth Proportional to 72.50, 108.67 and 33.95

Step by Step Solution

1. Step 1: Write the proportion equation
   72.50 : 108.67 = 33.95 : x
2. Step 2: Convert to fraction form
   72.50/108.67 = 33.95/x
3. Step 3: Cross multiply
   72.50x = 108.67 × 33.95
4. Step 4: Simplify right side
   72.50x = 3,688.72
5. Step 5: Solve for x
   x = 3,688.72/72.50
6. Step 6: Final answer
   x = 50.88