Finding the Fourth Proportional to 16,830.72, 23,227.41 and 9,277.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,830.72 : 23,227.41 = 9,277.05 : x
2. Step 2: Convert to fraction form
   16,830.72/23,227.41 = 9,277.05/x
3. Step 3: Cross multiply
   16,830.72x = 23,227.41 × 9,277.05
4. Step 4: Simplify right side
   16,830.72x = 215,481,843.94
5. Step 5: Solve for x
   x = 215,481,843.94/16,830.72
6. Step 6: Final answer
   x = 12,802.89