Finding the Fourth Proportional to 72.62, 108.94 and 29.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72.62 : 108.94 = 29.30 : x
2. Step 2: Convert to fraction form
   72.62/108.94 = 29.30/x
3. Step 3: Cross multiply
   72.62x = 108.94 × 29.30
4. Step 4: Simplify right side
   72.62x = 3,191.94
5. Step 5: Solve for x
   x = 3,191.94/72.62
6. Step 6: Final answer
   x = 43.95