Finding the Fourth Proportional to 16,768.76, 25,151.69 and 5,675.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,768.76 : 25,151.69 = 5,675.21 : x
2. Step 2: Convert to fraction form
   16,768.76/25,151.69 = 5,675.21/x
3. Step 3: Cross multiply
   16,768.76x = 25,151.69 × 5,675.21
4. Step 4: Simplify right side
   16,768.76x = 142,741,011.03
5. Step 5: Solve for x
   x = 142,741,011.03/16,768.76
6. Step 6: Final answer
   x = 8,512.32