Finding the Fourth Proportional to 142,645.78, 196,849.83 and 82,194.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,645.78 : 196,849.83 = 82,194.22 : x
2. Step 2: Convert to fraction form
   142,645.78/196,849.83 = 82,194.22/x
3. Step 3: Cross multiply
   142,645.78x = 196,849.83 × 82,194.22
4. Step 4: Simplify right side
   142,645.78x = 16,179,918,233.98
5. Step 5: Solve for x
   x = 16,179,918,233.98/142,645.78
6. Step 6: Final answer
   x = 113,427.25