Finding the Fourth Proportional to 22,366.46, 30,865.78 and 12,806.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,366.46 : 30,865.78 = 12,806.49 : x
2. Step 2: Convert to fraction form
   22,366.46/30,865.78 = 12,806.49/x
3. Step 3: Cross multiply
   22,366.46x = 30,865.78 × 12,806.49
4. Step 4: Simplify right side
   22,366.46x = 395,282,362.63
5. Step 5: Solve for x
   x = 395,282,362.63/22,366.46
6. Step 6: Final answer
   x = 17,673.00