Finding the Fourth Proportional to 10,204.36, 14,082.01 and 5,728.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,204.36 : 14,082.01 = 5,728.12 : x
2. Step 2: Convert to fraction form
   10,204.36/14,082.01 = 5,728.12/x
3. Step 3: Cross multiply
   10,204.36x = 14,082.01 × 5,728.12
4. Step 4: Simplify right side
   10,204.36x = 80,663,443.12
5. Step 5: Solve for x
   x = 80,663,443.12/10,204.36
6. Step 6: Final answer
   x = 7,904.80