Finding the Fourth Proportional to 82,097.82, 123,122.94 and 28,057.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,097.82 : 123,122.94 = 28,057.05 : x
2. Step 2: Convert to fraction form
   82,097.82/123,122.94 = 28,057.05/x
3. Step 3: Cross multiply
   82,097.82x = 123,122.94 × 28,057.05
4. Step 4: Simplify right side
   82,097.82x = 3,454,466,483.73
5. Step 5: Solve for x
   x = 3,454,466,483.73/82,097.82
6. Step 6: Final answer
   x = 42,077.44