Finding the Fourth Proportional to 12,906.69, 17,794.53 and 8,361.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906.69 : 17,794.53 = 8,361.30 : x
2. Step 2: Convert to fraction form
   12,906.69/17,794.53 = 8,361.30/x
3. Step 3: Cross multiply
   12,906.69x = 17,794.53 × 8,361.30
4. Step 4: Simplify right side
   12,906.69x = 148,785,403.69
5. Step 5: Solve for x
   x = 148,785,403.69/12,906.69
6. Step 6: Final answer
   x = 11,527.77