Finding the Fourth Proportional to 9,061.28, 12,504.80 and 5,082.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.28 : 12,504.80 = 5,082.28 : x
2. Step 2: Convert to fraction form
   9,061.28/12,504.80 = 5,082.28/x
3. Step 3: Cross multiply
   9,061.28x = 12,504.80 × 5,082.28
4. Step 4: Simplify right side
   9,061.28x = 63,552,894.94
5. Step 5: Solve for x
   x = 63,552,894.94/9,061.28
6. Step 6: Final answer
   x = 7,013.68