Finding the Fourth Proportional to 108,447.37, 162,049.43 and 82,659

Step by Step Solution

1. Step 1: Write the proportion equation
   108,447.37 : 162,049.43 = 82,659 : x
2. Step 2: Convert to fraction form
   108,447.37/162,049.43 = 82,659/x
3. Step 3: Cross multiply
   108,447.37x = 162,049.43 × 82,659
4. Step 4: Simplify right side
   108,447.37x = 13,394,843,834.37
5. Step 5: Solve for x
   x = 13,394,843,834.37/108,447.37
6. Step 6: Final answer
   x = 123,514.70