Finding the Fourth Proportional to 22,166.22, 30,593.34 and 13,214.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,166.22 : 30,593.34 = 13,214.31 : x
2. Step 2: Convert to fraction form
   22,166.22/30,593.34 = 13,214.31/x
3. Step 3: Cross multiply
   22,166.22x = 30,593.34 × 13,214.31
4. Step 4: Simplify right side
   22,166.22x = 404,269,878.70
5. Step 5: Solve for x
   x = 404,269,878.70/22,166.22
6. Step 6: Final answer
   x = 18,238.11