Finding the Fourth Proportional to 17,281.89, 23,851.33 and 9,729.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,281.89 : 23,851.33 = 9,729.72 : x
2. Step 2: Convert to fraction form
   17,281.89/23,851.33 = 9,729.72/x
3. Step 3: Cross multiply
   17,281.89x = 23,851.33 × 9,729.72
4. Step 4: Simplify right side
   17,281.89x = 232,066,738.20
5. Step 5: Solve for x
   x = 232,066,738.20/17,281.89
6. Step 6: Final answer
   x = 13,428.32