Finding the Fourth Proportional to 16,704.30, 23,052.09 and 9,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,704.30 : 23,052.09 = 9,630.72 : x
2. Step 2: Convert to fraction form
   16,704.30/23,052.09 = 9,630.72/x
3. Step 3: Cross multiply
   16,704.30x = 23,052.09 × 9,630.72
4. Step 4: Simplify right side
   16,704.30x = 222,008,224.20
5. Step 5: Solve for x
   x = 222,008,224.20/16,704.30
6. Step 6: Final answer
   x = 13,290.48