Finding the Fourth Proportional to 67,942.75, 101,456.59 and 55,487.48

Step by Step Solution

1. Step 1: Write the proportion equation
   67,942.75 : 101,456.59 = 55,487.48 : x
2. Step 2: Convert to fraction form
   67,942.75/101,456.59 = 55,487.48/x
3. Step 3: Cross multiply
   67,942.75x = 101,456.59 × 55,487.48
4. Step 4: Simplify right side
   67,942.75x = 5,629,570,508.49
5. Step 5: Solve for x
   x = 5,629,570,508.49/67,942.75
6. Step 6: Final answer
   x = 82,857.56