Finding the Fourth Proportional to 16,878.94, 25,321.49 and 5,786.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,878.94 : 25,321.49 = 5,786.75 : x
2. Step 2: Convert to fraction form
   16,878.94/25,321.49 = 5,786.75/x
3. Step 3: Cross multiply
   16,878.94x = 25,321.49 × 5,786.75
4. Step 4: Simplify right side
   16,878.94x = 146,529,100.84
5. Step 5: Solve for x
   x = 146,529,100.84/16,878.94
6. Step 6: Final answer
   x = 8,681.18