Finding the Fourth Proportional to 81,034.28, 111,820.02 and 50,809.94

Step by Step Solution

1. Step 1: Write the proportion equation
   81,034.28 : 111,820.02 = 50,809.94 : x
2. Step 2: Convert to fraction form
   81,034.28/111,820.02 = 50,809.94/x
3. Step 3: Cross multiply
   81,034.28x = 111,820.02 × 50,809.94
4. Step 4: Simplify right side
   81,034.28x = 5,681,568,507.00
5. Step 5: Solve for x
   x = 5,681,568,507.00/81,034.28
6. Step 6: Final answer
   x = 70,113.15