Finding the Fourth Proportional to 22,364.22, 30,860.71 and 13,164.80

Step by Step Solution

1. Step 1: Write the proportion equation
   22,364.22 : 30,860.71 = 13,164.80 : x
2. Step 2: Convert to fraction form
   22,364.22/30,860.71 = 13,164.80/x
3. Step 3: Cross multiply
   22,364.22x = 30,860.71 × 13,164.80
4. Step 4: Simplify right side
   22,364.22x = 406,275,075.01
5. Step 5: Solve for x
   x = 406,275,075.01/22,364.22
6. Step 6: Final answer
   x = 18,166.30