Finding the Fourth Proportional to 72.86, 109.26 and 32.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72.86 : 109.26 = 32.27 : x
2. Step 2: Convert to fraction form
   72.86/109.26 = 32.27/x
3. Step 3: Cross multiply
   72.86x = 109.26 × 32.27
4. Step 4: Simplify right side
   72.86x = 3,525.82
5. Step 5: Solve for x
   x = 3,525.82/72.86
6. Step 6: Final answer
   x = 48.39