Finding the Fourth Proportional to 67,936.81, 101,447.73 and 55,481.54

Step by Step Solution

1. Step 1: Write the proportion equation
   67,936.81 : 101,447.73 = 55,481.54 : x
2. Step 2: Convert to fraction form
   67,936.81/101,447.73 = 55,481.54/x
3. Step 3: Cross multiply
   67,936.81x = 101,447.73 × 55,481.54
4. Step 4: Simplify right side
   67,936.81x = 5,628,476,289.90
5. Step 5: Solve for x
   x = 5,628,476,289.90/67,936.81
6. Step 6: Final answer
   x = 82,848.70