Finding the Fourth Proportional to 52,435.82, 71,871.44 and 50,542.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,435.82 : 71,871.44 = 50,542.09 : x
2. Step 2: Convert to fraction form
   52,435.82/71,871.44 = 50,542.09/x
3. Step 3: Cross multiply
   52,435.82x = 71,871.44 × 50,542.09
4. Step 4: Simplify right side
   52,435.82x = 3,632,532,760.80
5. Step 5: Solve for x
   x = 3,632,532,760.80/52,435.82
6. Step 6: Final answer
   x = 69,275.78