Finding the Fourth Proportional to 72.54, 108.79 and 32.00

Step by Step Solution

1. Step 1: Write the proportion equation
   72.54 : 108.79 = 32.00 : x
2. Step 2: Convert to fraction form
   72.54/108.79 = 32.00/x
3. Step 3: Cross multiply
   72.54x = 108.79 × 32.00
4. Step 4: Simplify right side
   72.54x = 3,480.66
5. Step 5: Solve for x
   x = 3,480.66/72.54
6. Step 6: Final answer
   x = 47.98