Finding the Fourth Proportional to 17,020.53, 23,491.15 and 9,945.59

Step by Step Solution

1. Step 1: Write the proportion equation
   17,020.53 : 23,491.15 = 9,945.59 : x
2. Step 2: Convert to fraction form
   17,020.53/23,491.15 = 9,945.59/x
3. Step 3: Cross multiply
   17,020.53x = 23,491.15 × 9,945.59
4. Step 4: Simplify right side
   17,020.53x = 233,633,204.21
5. Step 5: Solve for x
   x = 233,633,204.21/17,020.53
6. Step 6: Final answer
   x = 13,726.55