Finding the Fourth Proportional to 16,684.94, 23,018.06 and 9,609.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,684.94 : 23,018.06 = 9,609.86 : x
2. Step 2: Convert to fraction form
   16,684.94/23,018.06 = 9,609.86/x
3. Step 3: Cross multiply
   16,684.94x = 23,018.06 × 9,609.86
4. Step 4: Simplify right side
   16,684.94x = 221,200,334.07
5. Step 5: Solve for x
   x = 221,200,334.07/16,684.94
6. Step 6: Final answer
   x = 13,257.48