Finding the Fourth Proportional to 82,082.87, 123,134.38 and 28,056.49

Step by Step Solution

1. Step 1: Write the proportion equation
   82,082.87 : 123,134.38 = 28,056.49 : x
2. Step 2: Convert to fraction form
   82,082.87/123,134.38 = 28,056.49/x
3. Step 3: Cross multiply
   82,082.87x = 123,134.38 × 28,056.49
4. Step 4: Simplify right side
   82,082.87x = 3,454,718,123.15
5. Step 5: Solve for x
   x = 3,454,718,123.15/82,082.87
6. Step 6: Final answer
   x = 42,088.17