Finding the Fourth Proportional to 16,968.87, 23,421.50 and 9,519.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,968.87 : 23,421.50 = 9,519.27 : x
2. Step 2: Convert to fraction form
   16,968.87/23,421.50 = 9,519.27/x
3. Step 3: Cross multiply
   16,968.87x = 23,421.50 × 9,519.27
4. Step 4: Simplify right side
   16,968.87x = 222,955,534.71
5. Step 5: Solve for x
   x = 222,955,534.71/16,968.87
6. Step 6: Final answer
   x = 13,139.09