Finding the Fourth Proportional to 16,259.73, 22,412.46 and 13,270.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,259.73 : 22,412.46 = 13,270.42 : x
2. Step 2: Convert to fraction form
   16,259.73/22,412.46 = 13,270.42/x
3. Step 3: Cross multiply
   16,259.73x = 22,412.46 × 13,270.42
4. Step 4: Simplify right side
   16,259.73x = 297,422,757.43
5. Step 5: Solve for x
   x = 297,422,757.43/16,259.73
6. Step 6: Final answer
   x = 18,291.99