Finding the Fourth Proportional to 16,564.82, 22,840.32 and 13,205.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,564.82 : 22,840.32 = 13,205.02 : x
2. Step 2: Convert to fraction form
   16,564.82/22,840.32 = 13,205.02/x
3. Step 3: Cross multiply
   16,564.82x = 22,840.32 × 13,205.02
4. Step 4: Simplify right side
   16,564.82x = 301,606,882.41
5. Step 5: Solve for x
   x = 301,606,882.41/16,564.82
6. Step 6: Final answer
   x = 18,207.68