Finding the Fourth Proportional to 16,701.22, 23,047.33 and 9,147.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,701.22 : 23,047.33 = 9,147.18 : x
2. Step 2: Convert to fraction form
   16,701.22/23,047.33 = 9,147.18/x
3. Step 3: Cross multiply
   16,701.22x = 23,047.33 × 9,147.18
4. Step 4: Simplify right side
   16,701.22x = 210,818,076.03
5. Step 5: Solve for x
   x = 210,818,076.03/16,701.22
6. Step 6: Final answer
   x = 12,622.91