Finding the Fourth Proportional to 10,022.76, 13,825.92 and 8,136.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,022.76 : 13,825.92 = 8,136.48 : x
2. Step 2: Convert to fraction form
   10,022.76/13,825.92 = 8,136.48/x
3. Step 3: Cross multiply
   10,022.76x = 13,825.92 × 8,136.48
4. Step 4: Simplify right side
   10,022.76x = 112,494,321.56
5. Step 5: Solve for x
   x = 112,494,321.56/10,022.76
6. Step 6: Final answer
   x = 11,223.89