Finding the Fourth Proportional to 143,162.01, 197,506.92 and 82,721.52

Step by Step Solution

1. Step 1: Write the proportion equation
   143,162.01 : 197,506.92 = 82,721.52 : x
2. Step 2: Convert to fraction form
   143,162.01/197,506.92 = 82,721.52/x
3. Step 3: Cross multiply
   143,162.01x = 197,506.92 × 82,721.52
4. Step 4: Simplify right side
   143,162.01x = 16,338,072,632.92
5. Step 5: Solve for x
   x = 16,338,072,632.92/143,162.01
6. Step 6: Final answer
   x = 114,122.96