Finding the Fourth Proportional to 82,660.15, 123,998.89 and 35,280.28

Step by Step Solution

1. Step 1: Write the proportion equation
   82,660.15 : 123,998.89 = 35,280.28 : x
2. Step 2: Convert to fraction form
   82,660.15/123,998.89 = 35,280.28/x
3. Step 3: Cross multiply
   82,660.15x = 123,998.89 × 35,280.28
4. Step 4: Simplify right side
   82,660.15x = 4,374,715,160.69
5. Step 5: Solve for x
   x = 4,374,715,160.69/82,660.15
6. Step 6: Final answer
   x = 52,924.12