Finding the Fourth Proportional to 16,685.19, 23,044.67 and 12,168.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,685.19 : 23,044.67 = 12,168.02 : x
2. Step 2: Convert to fraction form
   16,685.19/23,044.67 = 12,168.02/x
3. Step 3: Cross multiply
   16,685.19x = 23,044.67 × 12,168.02
4. Step 4: Simplify right side
   16,685.19x = 280,408,047.86
5. Step 5: Solve for x
   x = 280,408,047.86/16,685.19
6. Step 6: Final answer
   x = 16,805.80