Finding the Fourth Proportional to 16,697.04, 23,041.69 and 9,143.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,697.04 : 23,041.69 = 9,143.29 : x
2. Step 2: Convert to fraction form
   16,697.04/23,041.69 = 9,143.29/x
3. Step 3: Cross multiply
   16,697.04x = 23,041.69 × 9,143.29
4. Step 4: Simplify right side
   16,697.04x = 210,676,853.76
5. Step 5: Solve for x
   x = 210,676,853.76/16,697.04
6. Step 6: Final answer
   x = 12,617.62