Finding the Fourth Proportional to 12,426.94, 18,622.83 and 6,882.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.94 : 18,622.83 = 6,882.82 : x
2. Step 2: Convert to fraction form
   12,426.94/18,622.83 = 6,882.82/x
3. Step 3: Cross multiply
   12,426.94x = 18,622.83 × 6,882.82
4. Step 4: Simplify right side
   12,426.94x = 128,177,586.78
5. Step 5: Solve for x
   x = 128,177,586.78/12,426.94
6. Step 6: Final answer
   x = 10,314.49