Finding the Fourth Proportional to 143,293.87, 197,729.84 and 82,855.37

Step by Step Solution

1. Step 1: Write the proportion equation
   143,293.87 : 197,729.84 = 82,855.37 : x
2. Step 2: Convert to fraction form
   143,293.87/197,729.84 = 82,855.37/x
3. Step 3: Cross multiply
   143,293.87x = 197,729.84 × 82,855.37
4. Step 4: Simplify right side
   143,293.87x = 16,382,978,064.59
5. Step 5: Solve for x
   x = 16,382,978,064.59/143,293.87
6. Step 6: Final answer
   x = 114,331.33