Finding the Fourth Proportional to 142,680.39, 196,901 and 82,249.93

Step by Step Solution

1. Step 1: Write the proportion equation
   142,680.39 : 196,901 = 82,249.93 : x
2. Step 2: Convert to fraction form
   142,680.39/196,901 = 82,249.93/x
3. Step 3: Cross multiply
   142,680.39x = 196,901 × 82,249.93
4. Step 4: Simplify right side
   142,680.39x = 16,195,093,466.93
5. Step 5: Solve for x
   x = 16,195,093,466.93/142,680.39
6. Step 6: Final answer
   x = 113,506.09