Finding the Fourth Proportional to 22,144.32, 30,563.10 and 13,197

Step by Step Solution

1. Step 1: Write the proportion equation
   22,144.32 : 30,563.10 = 13,197 : x
2. Step 2: Convert to fraction form
   22,144.32/30,563.10 = 13,197/x
3. Step 3: Cross multiply
   22,144.32x = 30,563.10 × 13,197
4. Step 4: Simplify right side
   22,144.32x = 403,341,230.70
5. Step 5: Solve for x
   x = 403,341,230.70/22,144.32
6. Step 6: Final answer
   x = 18,214.21