Finding the Fourth Proportional to 72.55, 108.82 and 29.23

Step by Step Solution

1. Step 1: Write the proportion equation
   72.55 : 108.82 = 29.23 : x
2. Step 2: Convert to fraction form
   72.55/108.82 = 29.23/x
3. Step 3: Cross multiply
   72.55x = 108.82 × 29.23
4. Step 4: Simplify right side
   72.55x = 3,180.81
5. Step 5: Solve for x
   x = 3,180.81/72.55
6. Step 6: Final answer
   x = 43.84