Finding the Fourth Proportional to 17,789.09, 24,546.78 and 9,830.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,789.09 : 24,546.78 = 9,830.21 : x
2. Step 2: Convert to fraction form
   17,789.09/24,546.78 = 9,830.21/x
3. Step 3: Cross multiply
   17,789.09x = 24,546.78 × 9,830.21
4. Step 4: Simplify right side
   17,789.09x = 241,299,879.49
5. Step 5: Solve for x
   x = 241,299,879.49/17,789.09
6. Step 6: Final answer
   x = 13,564.49