Finding the Fourth Proportional to 16,723.23, 23,078.33 and 9,170.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,723.23 : 23,078.33 = 9,170.25 : x
2. Step 2: Convert to fraction form
   16,723.23/23,078.33 = 9,170.25/x
3. Step 3: Cross multiply
   16,723.23x = 23,078.33 × 9,170.25
4. Step 4: Simplify right side
   16,723.23x = 211,634,009.83
5. Step 5: Solve for x
   x = 211,634,009.83/16,723.23
6. Step 6: Final answer
   x = 12,655.09