Finding the Fourth Proportional to 81,062.52, 111,868.14 and 50,849.10

Step by Step Solution

1. Step 1: Write the proportion equation
   81,062.52 : 111,868.14 = 50,849.10 : x
2. Step 2: Convert to fraction form
   81,062.52/111,868.14 = 50,849.10/x
3. Step 3: Cross multiply
   81,062.52x = 111,868.14 × 50,849.10
4. Step 4: Simplify right side
   81,062.52x = 5,688,394,237.67
5. Step 5: Solve for x
   x = 5,688,394,237.67/81,062.52
6. Step 6: Final answer
   x = 70,172.93