Finding the Fourth Proportional to 71.34, 106.82 and 48.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71.34 : 106.82 = 48.52 : x
2. Step 2: Convert to fraction form
   71.34/106.82 = 48.52/x
3. Step 3: Cross multiply
   71.34x = 106.82 × 48.52
4. Step 4: Simplify right side
   71.34x = 5,182.91
5. Step 5: Solve for x
   x = 5,182.91/71.34
6. Step 6: Final answer
   x = 72.65