Finding the Fourth Proportional to 142,055.82, 196,078.01 and 83,966.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,055.82 : 196,078.01 = 83,966.37 : x
2. Step 2: Convert to fraction form
   142,055.82/196,078.01 = 83,966.37/x
3. Step 3: Cross multiply
   142,055.82x = 196,078.01 × 83,966.37
4. Step 4: Simplify right side
   142,055.82x = 16,463,958,736.52
5. Step 5: Solve for x
   x = 16,463,958,736.52/142,055.82
6. Step 6: Final answer
   x = 115,897.81