Finding the Fourth Proportional to 17,209.86, 25,811.72 and 10,951.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,209.86 : 25,811.72 = 10,951.30 : x
2. Step 2: Convert to fraction form
   17,209.86/25,811.72 = 10,951.30/x
3. Step 3: Cross multiply
   17,209.86x = 25,811.72 × 10,951.30
4. Step 4: Simplify right side
   17,209.86x = 282,671,760.18
5. Step 5: Solve for x
   x = 282,671,760.18/17,209.86
6. Step 6: Final answer
   x = 16,424.99