Finding the Fourth Proportional to 16,958.28, 25,458.18 and 16,289.37

Step by Step Solution

1. Step 1: Write the proportion equation
   16,958.28 : 25,458.18 = 16,289.37 : x
2. Step 2: Convert to fraction form
   16,958.28/25,458.18 = 16,289.37/x
3. Step 3: Cross multiply
   16,958.28x = 25,458.18 × 16,289.37
4. Step 4: Simplify right side
   16,958.28x = 414,697,713.55
5. Step 5: Solve for x
   x = 414,697,713.55/16,958.28
6. Step 6: Final answer
   x = 24,454.00