Finding the Fourth Proportional to 72.86, 109.24 and 29.49

Step by Step Solution

1. Step 1: Write the proportion equation
   72.86 : 109.24 = 29.49 : x
2. Step 2: Convert to fraction form
   72.86/109.24 = 29.49/x
3. Step 3: Cross multiply
   72.86x = 109.24 × 29.49
4. Step 4: Simplify right side
   72.86x = 3,221.49
5. Step 5: Solve for x
   x = 3,221.49/72.86
6. Step 6: Final answer
   x = 44.21