Finding the Fourth Proportional to 80,786.68, 111,504 and 52,443.16

Step by Step Solution

1. Step 1: Write the proportion equation
   80,786.68 : 111,504 = 52,443.16 : x
2. Step 2: Convert to fraction form
   80,786.68/111,504 = 52,443.16/x
3. Step 3: Cross multiply
   80,786.68x = 111,504 × 52,443.16
4. Step 4: Simplify right side
   80,786.68x = 5,847,622,112.64
5. Step 5: Solve for x
   x = 5,847,622,112.64/80,786.68
6. Step 6: Final answer
   x = 72,383.49