Finding the Fourth Proportional to 16,786.74, 25,172.83 and 5,097.23

Step by Step Solution

1. Step 1: Write the proportion equation
   16,786.74 : 25,172.83 = 5,097.23 : x
2. Step 2: Convert to fraction form
   16,786.74/25,172.83 = 5,097.23/x
3. Step 3: Cross multiply
   16,786.74x = 25,172.83 × 5,097.23
4. Step 4: Simplify right side
   16,786.74x = 128,311,650.49
5. Step 5: Solve for x
   x = 128,311,650.49/16,786.74
6. Step 6: Final answer
   x = 7,643.63