Finding the Fourth Proportional to 82,404.73, 123,268.56 and 65,797.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,404.73 : 123,268.56 = 65,797.20 : x
2. Step 2: Convert to fraction form
   82,404.73/123,268.56 = 65,797.20/x
3. Step 3: Cross multiply
   82,404.73x = 123,268.56 × 65,797.20
4. Step 4: Simplify right side
   82,404.73x = 8,110,726,096.03
5. Step 5: Solve for x
   x = 8,110,726,096.03/82,404.73
6. Step 6: Final answer
   x = 98,425.49