Finding the Fourth Proportional to 16,796.62, 25,198.57 and 5,109.54

Step by Step Solution

1. Step 1: Write the proportion equation
   16,796.62 : 25,198.57 = 5,109.54 : x
2. Step 2: Convert to fraction form
   16,796.62/25,198.57 = 5,109.54/x
3. Step 3: Cross multiply
   16,796.62x = 25,198.57 × 5,109.54
4. Step 4: Simplify right side
   16,796.62x = 128,752,975.36
5. Step 5: Solve for x
   x = 128,752,975.36/16,796.62
6. Step 6: Final answer
   x = 7,665.41