Finding the Fourth Proportional to 10,082.65, 15,124.69 and 2,687.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,082.65 : 15,124.69 = 2,687.07 : x
2. Step 2: Convert to fraction form
   10,082.65/15,124.69 = 2,687.07/x
3. Step 3: Cross multiply
   10,082.65x = 15,124.69 × 2,687.07
4. Step 4: Simplify right side
   10,082.65x = 40,641,018.42
5. Step 5: Solve for x
   x = 40,641,018.42/10,082.65
6. Step 6: Final answer
   x = 4,030.79