Finding the Fourth Proportional to 142,448.78, 196,519.82 and 82,004.96

Step by Step Solution

1. Step 1: Write the proportion equation
   142,448.78 : 196,519.82 = 82,004.96 : x
2. Step 2: Convert to fraction form
   142,448.78/196,519.82 = 82,004.96/x
3. Step 3: Cross multiply
   142,448.78x = 196,519.82 × 82,004.96
4. Step 4: Simplify right side
   142,448.78x = 16,115,599,978.31
5. Step 5: Solve for x
   x = 16,115,599,978.31/142,448.78
6. Step 6: Final answer
   x = 113,132.59