Finding the Fourth Proportional to 162,401.59, 243,546.87 and 82,408.71

Step by Step Solution

1. Step 1: Write the proportion equation
   162,401.59 : 243,546.87 = 82,408.71 : x
2. Step 2: Convert to fraction form
   162,401.59/243,546.87 = 82,408.71/x
3. Step 3: Cross multiply
   162,401.59x = 243,546.87 × 82,408.71
4. Step 4: Simplify right side
   162,401.59x = 20,070,383,381.24
5. Step 5: Solve for x
   x = 20,070,383,381.24/162,401.59
6. Step 6: Final answer
   x = 123,584.89