Finding the Fourth Proportional to 17,102.56, 25,677.69 and 8,789.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,102.56 : 25,677.69 = 8,789.62 : x
2. Step 2: Convert to fraction form
   17,102.56/25,677.69 = 8,789.62/x
3. Step 3: Cross multiply
   17,102.56x = 25,677.69 × 8,789.62
4. Step 4: Simplify right side
   17,102.56x = 225,697,137.58
5. Step 5: Solve for x
   x = 225,697,137.58/17,102.56
6. Step 6: Final answer
   x = 13,196.69