Finding the Fourth Proportional to 72.84, 109.18 and 32.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72.84 : 109.18 = 32.23 : x
2. Step 2: Convert to fraction form
   72.84/109.18 = 32.23/x
3. Step 3: Cross multiply
   72.84x = 109.18 × 32.23
4. Step 4: Simplify right side
   72.84x = 3,518.87
5. Step 5: Solve for x
   x = 3,518.87/72.84
6. Step 6: Final answer
   x = 48.31