Finding the Fourth Proportional to 16,699.27, 23,045.27 and 9,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,699.27 : 23,045.27 = 9,145.48 : x
2. Step 2: Convert to fraction form
   16,699.27/23,045.27 = 9,145.48/x
3. Step 3: Cross multiply
   16,699.27x = 23,045.27 × 9,145.48
4. Step 4: Simplify right side
   16,699.27x = 210,760,055.88
5. Step 5: Solve for x
   x = 210,760,055.88/16,699.27
6. Step 6: Final answer
   x = 12,620.91