Finding the Fourth Proportional to 81,016.82, 111,772.02 and 50,749.46

Step by Step Solution

1. Step 1: Write the proportion equation
   81,016.82 : 111,772.02 = 50,749.46 : x
2. Step 2: Convert to fraction form
   81,016.82/111,772.02 = 50,749.46/x
3. Step 3: Cross multiply
   81,016.82x = 111,772.02 × 50,749.46
4. Step 4: Simplify right side
   81,016.82x = 5,672,369,658.11
5. Step 5: Solve for x
   x = 5,672,369,658.11/81,016.82
6. Step 6: Final answer
   x = 70,014.72