Finding the Fourth Proportional to 17,089.52, 25,625.34 and 7,721.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,089.52 : 25,625.34 = 7,721.48 : x
2. Step 2: Convert to fraction form
   17,089.52/25,625.34 = 7,721.48/x
3. Step 3: Cross multiply
   17,089.52x = 25,625.34 × 7,721.48
4. Step 4: Simplify right side
   17,089.52x = 197,865,550.30
5. Step 5: Solve for x
   x = 197,865,550.30/17,089.52
6. Step 6: Final answer
   x = 11,578.18