Finding the Fourth Proportional to 72.82, 109.16 and 29.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72.82 : 109.16 = 29.46 : x
2. Step 2: Convert to fraction form
   72.82/109.16 = 29.46/x
3. Step 3: Cross multiply
   72.82x = 109.16 × 29.46
4. Step 4: Simplify right side
   72.82x = 3,215.85
5. Step 5: Solve for x
   x = 3,215.85/72.82
6. Step 6: Final answer
   x = 44.16