Finding the Fourth Proportional to 142,433.69, 196,577.10 and 82,006.88

Step by Step Solution

1. Step 1: Write the proportion equation
   142,433.69 : 196,577.10 = 82,006.88 : x
2. Step 2: Convert to fraction form
   142,433.69/196,577.10 = 82,006.88/x
3. Step 3: Cross multiply
   142,433.69x = 196,577.10 × 82,006.88
4. Step 4: Simplify right side
   142,433.69x = 16,120,673,667.56
5. Step 5: Solve for x
   x = 16,120,673,667.56/142,433.69
6. Step 6: Final answer
   x = 113,180.21