Finding the Fourth Proportional to 16,647.63, 24,975.81 and 7,289.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,647.63 : 24,975.81 = 7,289.49 : x
2. Step 2: Convert to fraction form
   16,647.63/24,975.81 = 7,289.49/x
3. Step 3: Cross multiply
   16,647.63x = 24,975.81 × 7,289.49
4. Step 4: Simplify right side
   16,647.63x = 182,061,010.90
5. Step 5: Solve for x
   x = 182,061,010.90/16,647.63
6. Step 6: Final answer
   x = 10,936.15