Finding the Fourth Proportional to 16,196.26, 22,280.58 and 13,205.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,196.26 : 22,280.58 = 13,205.56 : x
2. Step 2: Convert to fraction form
   16,196.26/22,280.58 = 13,205.56/x
3. Step 3: Cross multiply
   16,196.26x = 22,280.58 × 13,205.56
4. Step 4: Simplify right side
   16,196.26x = 294,227,536.02
5. Step 5: Solve for x
   x = 294,227,536.02/16,196.26
6. Step 6: Final answer
   x = 18,166.39