Finding the Fourth Proportional to 16,778.69, 25,167.96 and 4,298.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,778.69 : 25,167.96 = 4,298.69 : x
2. Step 2: Convert to fraction form
   16,778.69/25,167.96 = 4,298.69/x
3. Step 3: Cross multiply
   16,778.69x = 25,167.96 × 4,298.69
4. Step 4: Simplify right side
   16,778.69x = 108,189,257.97
5. Step 5: Solve for x
   x = 108,189,257.97/16,778.69
6. Step 6: Final answer
   x = 6,448.02