Finding the Fourth Proportional to 72.39, 108.51 and 29.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72.39 : 108.51 = 29.04 : x
2. Step 2: Convert to fraction form
   72.39/108.51 = 29.04/x
3. Step 3: Cross multiply
   72.39x = 108.51 × 29.04
4. Step 4: Simplify right side
   72.39x = 3,150.83
5. Step 5: Solve for x
   x = 3,150.83/72.39
6. Step 6: Final answer
   x = 43.52