Finding the Fourth Proportional to 17,020.41, 23,484.78 and 9,945.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,020.41 : 23,484.78 = 9,945.47 : x
2. Step 2: Convert to fraction form
   17,020.41/23,484.78 = 9,945.47/x
3. Step 3: Cross multiply
   17,020.41x = 23,484.78 × 9,945.47
4. Step 4: Simplify right side
   17,020.41x = 233,567,057.52
5. Step 5: Solve for x
   x = 233,567,057.52/17,020.41
6. Step 6: Final answer
   x = 13,722.76