Finding the Fourth Proportional to 80,814.42, 111,594.41 and 50,651.60

Step by Step Solution

1. Step 1: Write the proportion equation
   80,814.42 : 111,594.41 = 50,651.60 : x
2. Step 2: Convert to fraction form
   80,814.42/111,594.41 = 50,651.60/x
3. Step 3: Cross multiply
   80,814.42x = 111,594.41 × 50,651.60
4. Step 4: Simplify right side
   80,814.42x = 5,652,434,606.33
5. Step 5: Solve for x
   x = 5,652,434,606.33/80,814.42
6. Step 6: Final answer
   x = 69,943.39