Finding the Fourth Proportional to 16,769.16, 23,142.78 and 9,695.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,769.16 : 23,142.78 = 9,695.70 : x
2. Step 2: Convert to fraction form
   16,769.16/23,142.78 = 9,695.70/x
3. Step 3: Cross multiply
   16,769.16x = 23,142.78 × 9,695.70
4. Step 4: Simplify right side
   16,769.16x = 224,385,452.05
5. Step 5: Solve for x
   x = 224,385,452.05/16,769.16
6. Step 6: Final answer
   x = 13,380.84