Finding the Fourth Proportional to 16,797.98, 25,196.16 and 4,318.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,797.98 : 25,196.16 = 4,318.40 : x
2. Step 2: Convert to fraction form
   16,797.98/25,196.16 = 4,318.40/x
3. Step 3: Cross multiply
   16,797.98x = 25,196.16 × 4,318.40
4. Step 4: Simplify right side
   16,797.98x = 108,807,097.34
5. Step 5: Solve for x
   x = 108,807,097.34/16,797.98
6. Step 6: Final answer
   x = 6,477.39