Finding the Fourth Proportional to 16,538.16, 22,822.57 and 8,984.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.16 : 22,822.57 = 8,984.43 : x
2. Step 2: Convert to fraction form
   16,538.16/22,822.57 = 8,984.43/x
3. Step 3: Cross multiply
   16,538.16x = 22,822.57 × 8,984.43
4. Step 4: Simplify right side
   16,538.16x = 205,047,782.59
5. Step 5: Solve for x
   x = 205,047,782.59/16,538.16
6. Step 6: Final answer
   x = 12,398.46