Finding the Fourth Proportional to 82,401.30, 123,861.15 and 80,846.10

Step by Step Solution

1. Step 1: Write the proportion equation
   82,401.30 : 123,861.15 = 80,846.10 : x
2. Step 2: Convert to fraction form
   82,401.30/123,861.15 = 80,846.10/x
3. Step 3: Cross multiply
   82,401.30x = 123,861.15 × 80,846.10
4. Step 4: Simplify right side
   82,401.30x = 10,013,690,919.02
5. Step 5: Solve for x
   x = 10,013,690,919.02/82,401.30
6. Step 6: Final answer
   x = 121,523.46