Finding the Fourth Proportional to 17,105.89, 25,624.41 and 8,208.91

Step by Step Solution

1. Step 1: Write the proportion equation
   17,105.89 : 25,624.41 = 8,208.91 : x
2. Step 2: Convert to fraction form
   17,105.89/25,624.41 = 8,208.91/x
3. Step 3: Cross multiply
   17,105.89x = 25,624.41 × 8,208.91
4. Step 4: Simplify right side
   17,105.89x = 210,348,475.49
5. Step 5: Solve for x
   x = 210,348,475.49/17,105.89
6. Step 6: Final answer
   x = 12,296.84