Finding the Fourth Proportional to 16,969.87, 23,422.88 and 9,520.27

Step by Step Solution

1. Step 1: Write the proportion equation
   16,969.87 : 23,422.88 = 9,520.27 : x
2. Step 2: Convert to fraction form
   16,969.87/23,422.88 = 9,520.27/x
3. Step 3: Cross multiply
   16,969.87x = 23,422.88 × 9,520.27
4. Step 4: Simplify right side
   16,969.87x = 222,992,141.78
5. Step 5: Solve for x
   x = 222,992,141.78/16,969.87
6. Step 6: Final answer
   x = 13,140.47