Finding the Fourth Proportional to 16,771.50, 23,144.67 and 9,702.02

Step by Step Solution

1. Step 1: Write the proportion equation
   16,771.50 : 23,144.67 = 9,702.02 : x
2. Step 2: Convert to fraction form
   16,771.50/23,144.67 = 9,702.02/x
3. Step 3: Cross multiply
   16,771.50x = 23,144.67 × 9,702.02
4. Step 4: Simplify right side
   16,771.50x = 224,550,109.10
5. Step 5: Solve for x
   x = 224,550,109.10/16,771.50
6. Step 6: Final answer
   x = 13,388.79