Finding the Fourth Proportional to 17,149.83, 25,620.83 and 10,859.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,149.83 : 25,620.83 = 10,859.47 : x
2. Step 2: Convert to fraction form
   17,149.83/25,620.83 = 10,859.47/x
3. Step 3: Cross multiply
   17,149.83x = 25,620.83 × 10,859.47
4. Step 4: Simplify right side
   17,149.83x = 278,228,612.49
5. Step 5: Solve for x
   x = 278,228,612.49/17,149.83
6. Step 6: Final answer
   x = 16,223.40