Finding the Fourth Proportional to 16,305, 22,502.34 and 9,134.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,305 : 22,502.34 = 9,134.79 : x
2. Step 2: Convert to fraction form
   16,305/22,502.34 = 9,134.79/x
3. Step 3: Cross multiply
   16,305x = 22,502.34 × 9,134.79
4. Step 4: Simplify right side
   16,305x = 205,554,150.41
5. Step 5: Solve for x
   x = 205,554,150.41/16,305
6. Step 6: Final answer
   x = 12,606.82