Finding the Fourth Proportional to 16,986.69, 23,442.78 and 9,433.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,986.69 : 23,442.78 = 9,433.33 : x
2. Step 2: Convert to fraction form
   16,986.69/23,442.78 = 9,433.33/x
3. Step 3: Cross multiply
   16,986.69x = 23,442.78 × 9,433.33
4. Step 4: Simplify right side
   16,986.69x = 221,143,479.86
5. Step 5: Solve for x
   x = 221,143,479.86/16,986.69
6. Step 6: Final answer
   x = 13,018.63