Finding the Fourth Proportional to 16,190.52, 22,342.56 and 9,020.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,190.52 : 22,342.56 = 9,020.43 : x
2. Step 2: Convert to fraction form
   16,190.52/22,342.56 = 9,020.43/x
3. Step 3: Cross multiply
   16,190.52x = 22,342.56 × 9,020.43
4. Step 4: Simplify right side
   16,190.52x = 201,539,395.79
5. Step 5: Solve for x
   x = 201,539,395.79/16,190.52
6. Step 6: Final answer
   x = 12,447.99