Finding the Fourth Proportional to 81,175.14, 111,982.59 and 50,945.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,175.14 : 111,982.59 = 50,945.52 : x
2. Step 2: Convert to fraction form
   81,175.14/111,982.59 = 50,945.52/x
3. Step 3: Cross multiply
   81,175.14x = 111,982.59 × 50,945.52
4. Step 4: Simplify right side
   81,175.14x = 5,705,011,278.50
5. Step 5: Solve for x
   x = 5,705,011,278.50/81,175.14
6. Step 6: Final answer
   x = 70,280.28