Finding the Fourth Proportional to 22,185.69, 30,623.03 and 13,690.41

Step by Step Solution

1. Step 1: Write the proportion equation
   22,185.69 : 30,623.03 = 13,690.41 : x
2. Step 2: Convert to fraction form
   22,185.69/30,623.03 = 13,690.41/x
3. Step 3: Cross multiply
   22,185.69x = 30,623.03 × 13,690.41
4. Step 4: Simplify right side
   22,185.69x = 419,241,614.58
5. Step 5: Solve for x
   x = 419,241,614.58/22,185.69
6. Step 6: Final answer
   x = 18,896.94