Finding the Fourth Proportional to 22,164.93, 30,583.41 and 13,213.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,164.93 : 30,583.41 = 13,213.27 : x
2. Step 2: Convert to fraction form
   22,164.93/30,583.41 = 13,213.27/x
3. Step 3: Cross multiply
   22,164.93x = 30,583.41 × 13,213.27
4. Step 4: Simplify right side
   22,164.93x = 404,106,853.85
5. Step 5: Solve for x
   x = 404,106,853.85/22,164.93
6. Step 6: Final answer
   x = 18,231.81