Finding the Fourth Proportional to 16,697.37, 23,041.88 and 9,143.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,697.37 : 23,041.88 = 9,143.42 : x
2. Step 2: Convert to fraction form
   16,697.37/23,041.88 = 9,143.42/x
3. Step 3: Cross multiply
   16,697.37x = 23,041.88 × 9,143.42
4. Step 4: Simplify right side
   16,697.37x = 210,681,425.50
5. Step 5: Solve for x
   x = 210,681,425.50/16,697.37
6. Step 6: Final answer
   x = 12,617.64