Finding the Fourth Proportional to 15,066.48, 20,792.76 and 8,353.20

Step by Step Solution

1. Step 1: Write the proportion equation
   15,066.48 : 20,792.76 = 8,353.20 : x
2. Step 2: Convert to fraction form
   15,066.48/20,792.76 = 8,353.20/x
3. Step 3: Cross multiply
   15,066.48x = 20,792.76 × 8,353.20
4. Step 4: Simplify right side
   15,066.48x = 173,686,082.83
5. Step 5: Solve for x
   x = 173,686,082.83/15,066.48
6. Step 6: Final answer
   x = 11,527.98