Finding the Fourth Proportional to 17,141.39, 23,654.81 and 9,689.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,141.39 : 23,654.81 = 9,689.39 : x
2. Step 2: Convert to fraction form
   17,141.39/23,654.81 = 9,689.39/x
3. Step 3: Cross multiply
   17,141.39x = 23,654.81 × 9,689.39
4. Step 4: Simplify right side
   17,141.39x = 229,200,631.02
5. Step 5: Solve for x
   x = 229,200,631.02/17,141.39
6. Step 6: Final answer
   x = 13,371.18