Finding the Fourth Proportional to 72.10, 108.12 and 29.35

Step by Step Solution

1. Step 1: Write the proportion equation
   72.10 : 108.12 = 29.35 : x
2. Step 2: Convert to fraction form
   72.10/108.12 = 29.35/x
3. Step 3: Cross multiply
   72.10x = 108.12 × 29.35
4. Step 4: Simplify right side
   72.10x = 3,173.32
5. Step 5: Solve for x
   x = 3,173.32/72.10
6. Step 6: Final answer
   x = 44.01