Finding the Fourth Proportional to 72.85, 109.25 and 29.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72.85 : 109.25 = 29.50 : x
2. Step 2: Convert to fraction form
   72.85/109.25 = 29.50/x
3. Step 3: Cross multiply
   72.85x = 109.25 × 29.50
4. Step 4: Simplify right side
   72.85x = 3,222.83
5. Step 5: Solve for x
   x = 3,222.83/72.85
6. Step 6: Final answer
   x = 44.24