Finding the Fourth Proportional to 16,513.50, 22,789 and 9,440.58

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.50 : 22,789 = 9,440.58 : x
2. Step 2: Convert to fraction form
   16,513.50/22,789 = 9,440.58/x
3. Step 3: Cross multiply
   16,513.50x = 22,789 × 9,440.58
4. Step 4: Simplify right side
   16,513.50x = 215,141,377.62
5. Step 5: Solve for x
   x = 215,141,377.62/16,513.50
6. Step 6: Final answer
   x = 13,028.21