Finding the Fourth Proportional to 16,198.41, 22,354.55 and 9,028.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,198.41 : 22,354.55 = 9,028.79 : x
2. Step 2: Convert to fraction form
   16,198.41/22,354.55 = 9,028.79/x
3. Step 3: Cross multiply
   16,198.41x = 22,354.55 × 9,028.79
4. Step 4: Simplify right side
   16,198.41x = 201,834,492.35
5. Step 5: Solve for x
   x = 201,834,492.35/16,198.41
6. Step 6: Final answer
   x = 12,460.15