Finding the Fourth Proportional to 72.67, 108.98 and 32.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72.67 : 108.98 = 32.12 : x
2. Step 2: Convert to fraction form
   72.67/108.98 = 32.12/x
3. Step 3: Cross multiply
   72.67x = 108.98 × 32.12
4. Step 4: Simplify right side
   72.67x = 3,500.28
5. Step 5: Solve for x
   x = 3,500.28/72.67
6. Step 6: Final answer
   x = 48.17