Finding the Fourth Proportional to 22,153.01, 30,571.29 and 13,200.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,153.01 : 30,571.29 = 13,200.89 : x
2. Step 2: Convert to fraction form
   22,153.01/30,571.29 = 13,200.89/x
3. Step 3: Cross multiply
   22,153.01x = 30,571.29 × 13,200.89
4. Step 4: Simplify right side
   22,153.01x = 403,568,083.59
5. Step 5: Solve for x
   x = 403,568,083.59/22,153.01
6. Step 6: Final answer
   x = 18,217.31