Finding the Fourth Proportional to 16,700.38, 23,046.87 and 9,147.03

Step by Step Solution

1. Step 1: Write the proportion equation
   16,700.38 : 23,046.87 = 9,147.03 : x
2. Step 2: Convert to fraction form
   16,700.38/23,046.87 = 9,147.03/x
3. Step 3: Cross multiply
   16,700.38x = 23,046.87 × 9,147.03
4. Step 4: Simplify right side
   16,700.38x = 210,810,445.60
5. Step 5: Solve for x
   x = 210,810,445.60/16,700.38
6. Step 6: Final answer
   x = 12,623.09