Finding the Fourth Proportional to 81,075.62, 111,886.17 and 50,862.22

Step by Step Solution

1. Step 1: Write the proportion equation
   81,075.62 : 111,886.17 = 50,862.22 : x
2. Step 2: Convert to fraction form
   81,075.62/111,886.17 = 50,862.22/x
3. Step 3: Cross multiply
   81,075.62x = 111,886.17 × 50,862.22
4. Step 4: Simplify right side
   81,075.62x = 5,690,778,993.50
5. Step 5: Solve for x
   x = 5,690,778,993.50/81,075.62
6. Step 6: Final answer
   x = 70,191.00