Finding the Fourth Proportional to 17,636.40, 24,338.27 and 9,678.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636.40 : 24,338.27 = 9,678.69 : x
2. Step 2: Convert to fraction form
   17,636.40/24,338.27 = 9,678.69/x
3. Step 3: Cross multiply
   17,636.40x = 24,338.27 × 9,678.69
4. Step 4: Simplify right side
   17,636.40x = 235,562,522.07
5. Step 5: Solve for x
   x = 235,562,522.07/17,636.40
6. Step 6: Final answer
   x = 13,356.61