Finding the Fourth Proportional to 72.68, 109.04 and 32.09

Step by Step Solution

1. Step 1: Write the proportion equation
   72.68 : 109.04 = 32.09 : x
2. Step 2: Convert to fraction form
   72.68/109.04 = 32.09/x
3. Step 3: Cross multiply
   72.68x = 109.04 × 32.09
4. Step 4: Simplify right side
   72.68x = 3,498.93
5. Step 5: Solve for x
   x = 3,498.93/72.68
6. Step 6: Final answer
   x = 48.14