Finding the Fourth Proportional to 72.53, 108.81 and 34.03

Step by Step Solution

1. Step 1: Write the proportion equation
   72.53 : 108.81 = 34.03 : x
2. Step 2: Convert to fraction form
   72.53/108.81 = 34.03/x
3. Step 3: Cross multiply
   72.53x = 108.81 × 34.03
4. Step 4: Simplify right side
   72.53x = 3,702.94
5. Step 5: Solve for x
   x = 3,702.94/72.53
6. Step 6: Final answer
   x = 51.05