Finding the Fourth Proportional to 16,300.99, 22,495.43 and 9,228.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.99 : 22,495.43 = 9,228.77 : x
2. Step 2: Convert to fraction form
   16,300.99/22,495.43 = 9,228.77/x
3. Step 3: Cross multiply
   16,300.99x = 22,495.43 × 9,228.77
4. Step 4: Simplify right side
   16,300.99x = 207,605,149.52
5. Step 5: Solve for x
   x = 207,605,149.52/16,300.99
6. Step 6: Final answer
   x = 12,735.74