Finding the Fourth Proportional to 72.59, 108.81 and 34.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72.59 : 108.81 = 34.10 : x
2. Step 2: Convert to fraction form
   72.59/108.81 = 34.10/x
3. Step 3: Cross multiply
   72.59x = 108.81 × 34.10
4. Step 4: Simplify right side
   72.59x = 3,709.88
5. Step 5: Solve for x
   x = 3,709.88/72.59
6. Step 6: Final answer
   x = 51.11