Finding the Fourth Proportional to 72.69, 109.05 and 24.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72.69 : 109.05 = 24.60 : x
2. Step 2: Convert to fraction form
   72.69/109.05 = 24.60/x
3. Step 3: Cross multiply
   72.69x = 109.05 × 24.60
4. Step 4: Simplify right side
   72.69x = 2,682.63
5. Step 5: Solve for x
   x = 2,682.63/72.69
6. Step 6: Final answer
   x = 36.91