Finding the Fourth Proportional to 22,105.94, 30,497.17 and 13,605.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.94 : 30,497.17 = 13,605.49 : x
2. Step 2: Convert to fraction form
   22,105.94/30,497.17 = 13,605.49/x
3. Step 3: Cross multiply
   22,105.94x = 30,497.17 × 13,605.49
4. Step 4: Simplify right side
   22,105.94x = 414,928,907.45
5. Step 5: Solve for x
   x = 414,928,907.45/22,105.94
6. Step 6: Final answer
   x = 18,770.02