Finding the Fourth Proportional to 143,106.83, 197,464.42 and 82,685.48

Step by Step Solution

1. Step 1: Write the proportion equation
   143,106.83 : 197,464.42 = 82,685.48 : x
2. Step 2: Convert to fraction form
   143,106.83/197,464.42 = 82,685.48/x
3. Step 3: Cross multiply
   143,106.83x = 197,464.42 × 82,685.48
4. Step 4: Simplify right side
   143,106.83x = 16,327,441,016.49
5. Step 5: Solve for x
   x = 16,327,441,016.49/143,106.83
6. Step 6: Final answer
   x = 114,092.68