Finding the Fourth Proportional to 82,162.56, 122,660.18 and 79,246.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,162.56 : 122,660.18 = 79,246.56 : x
2. Step 2: Convert to fraction form
   82,162.56/122,660.18 = 79,246.56/x
3. Step 3: Cross multiply
   82,162.56x = 122,660.18 × 79,246.56
4. Step 4: Simplify right side
   82,162.56x = 9,720,396,917.75
5. Step 5: Solve for x
   x = 9,720,396,917.75/82,162.56
6. Step 6: Final answer
   x = 118,306.89