Finding the Fourth Proportional to 11,468.28, 15,834.78 and 8,811.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,468.28 : 15,834.78 = 8,811.48 : x
2. Step 2: Convert to fraction form
   11,468.28/15,834.78 = 8,811.48/x
3. Step 3: Cross multiply
   11,468.28x = 15,834.78 × 8,811.48
4. Step 4: Simplify right side
   11,468.28x = 139,527,847.27
5. Step 5: Solve for x
   x = 139,527,847.27/11,468.28
6. Step 6: Final answer
   x = 12,166.41