Finding the Fourth Proportional to 16,513.99, 22,789.70 and 9,441.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.99 : 22,789.70 = 9,441.07 : x
2. Step 2: Convert to fraction form
   16,513.99/22,789.70 = 9,441.07/x
3. Step 3: Cross multiply
   16,513.99x = 22,789.70 × 9,441.07
4. Step 4: Simplify right side
   16,513.99x = 215,159,152.98
5. Step 5: Solve for x
   x = 215,159,152.98/16,513.99
6. Step 6: Final answer
   x = 13,028.90