Finding the Fourth Proportional to 16,704.02, 23,051.60 and 9,047.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,704.02 : 23,051.60 = 9,047.28 : x
2. Step 2: Convert to fraction form
   16,704.02/23,051.60 = 9,047.28/x
3. Step 3: Cross multiply
   16,704.02x = 23,051.60 × 9,047.28
4. Step 4: Simplify right side
   16,704.02x = 208,554,234.41
5. Step 5: Solve for x
   x = 208,554,234.41/16,704.02
6. Step 6: Final answer
   x = 12,485.28