Finding the Fourth Proportional to 142,822.31, 197,087.99 and 82,412.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,822.31 : 197,087.99 = 82,412.37 : x
2. Step 2: Convert to fraction form
   142,822.31/197,087.99 = 82,412.37/x
3. Step 3: Cross multiply
   142,822.31x = 197,087.99 × 82,412.37
4. Step 4: Simplify right side
   142,822.31x = 16,242,487,942.37
5. Step 5: Solve for x
   x = 16,242,487,942.37/142,822.31
6. Step 6: Final answer
   x = 113,725.15