Finding the Fourth Proportional to 10,049.28, 15,082.24 and 5,122.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.28 : 15,082.24 = 5,122.56 : x
2. Step 2: Convert to fraction form
   10,049.28/15,082.24 = 5,122.56/x
3. Step 3: Cross multiply
   10,049.28x = 15,082.24 × 5,122.56
4. Step 4: Simplify right side
   10,049.28x = 77,259,679.33
5. Step 5: Solve for x
   x = 77,259,679.33/10,049.28
6. Step 6: Final answer
   x = 7,688.08