Finding the Fourth Proportional to 17,179.94, 25,772.98 and 8,857.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,179.94 : 25,772.98 = 8,857.72 : x
2. Step 2: Convert to fraction form
   17,179.94/25,772.98 = 8,857.72/x
3. Step 3: Cross multiply
   17,179.94x = 25,772.98 × 8,857.72
4. Step 4: Simplify right side
   17,179.94x = 228,289,862.55
5. Step 5: Solve for x
   x = 228,289,862.55/17,179.94
6. Step 6: Final answer
   x = 13,288.17