Finding the Fourth Proportional to 22,067.98, 30,453.72 and 12,998.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,067.98 : 30,453.72 = 12,998.62 : x
2. Step 2: Convert to fraction form
   22,067.98/30,453.72 = 12,998.62/x
3. Step 3: Cross multiply
   22,067.98x = 30,453.72 × 12,998.62
4. Step 4: Simplify right side
   22,067.98x = 395,856,181.60
5. Step 5: Solve for x
   x = 395,856,181.60/22,067.98
6. Step 6: Final answer
   x = 17,938.03