Finding the Fourth Proportional to 17,189.87, 23,722.89 and 9,636.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,189.87 : 23,722.89 = 9,636.62 : x
2. Step 2: Convert to fraction form
   17,189.87/23,722.89 = 9,636.62/x
3. Step 3: Cross multiply
   17,189.87x = 23,722.89 × 9,636.62
4. Step 4: Simplify right side
   17,189.87x = 228,608,476.23
5. Step 5: Solve for x
   x = 228,608,476.23/17,189.87
6. Step 6: Final answer
   x = 13,299.02