Finding the Fourth Proportional to 17,017.09, 23,481.79 and 9,462.20

Step by Step Solution

1. Step 1: Write the proportion equation
   17,017.09 : 23,481.79 = 9,462.20 : x
2. Step 2: Convert to fraction form
   17,017.09/23,481.79 = 9,462.20/x
3. Step 3: Cross multiply
   17,017.09x = 23,481.79 × 9,462.20
4. Step 4: Simplify right side
   17,017.09x = 222,189,428.39
5. Step 5: Solve for x
   x = 222,189,428.39/17,017.09
6. Step 6: Final answer
   x = 13,056.84