Finding the Fourth Proportional to 72.83, 109.27 and 48.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72.83 : 109.27 = 48.55 : x
2. Step 2: Convert to fraction form
   72.83/109.27 = 48.55/x
3. Step 3: Cross multiply
   72.83x = 109.27 × 48.55
4. Step 4: Simplify right side
   72.83x = 5,304.78
5. Step 5: Solve for x
   x = 5,304.78/72.83
6. Step 6: Final answer
   x = 72.84