Finding the Fourth Proportional to 16,747.38, 25,120.81 and 5,661.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,747.38 : 25,120.81 = 5,661.86 : x
2. Step 2: Convert to fraction form
   16,747.38/25,120.81 = 5,661.86/x
3. Step 3: Cross multiply
   16,747.38x = 25,120.81 × 5,661.86
4. Step 4: Simplify right side
   16,747.38x = 142,230,390.78
5. Step 5: Solve for x
   x = 142,230,390.78/16,747.38
6. Step 6: Final answer
   x = 8,492.70