Finding the Fourth Proportional to 71,682, 106,828.50 and 67,949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,682 : 106,828.50 = 67,949.52 : x
2. Step 2: Convert to fraction form
   71,682/106,828.50 = 67,949.52/x
3. Step 3: Cross multiply
   71,682x = 106,828.50 × 67,949.52
4. Step 4: Simplify right side
   71,682x = 7,258,945,297.32
5. Step 5: Solve for x
   x = 7,258,945,297.32/71,682
6. Step 6: Final answer
   x = 101,265.94