Finding the Fourth Proportional to 17,020.76, 23,485.20 and 9,945.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,020.76 : 23,485.20 = 9,945.82 : x
2. Step 2: Convert to fraction form
   17,020.76/23,485.20 = 9,945.82/x
3. Step 3: Cross multiply
   17,020.76x = 23,485.20 × 9,945.82
4. Step 4: Simplify right side
   17,020.76x = 233,579,571.86
5. Step 5: Solve for x
   x = 233,579,571.86/17,020.76
6. Step 6: Final answer
   x = 13,723.22