Finding the Fourth Proportional to 16,766.56, 25,147.92 and 5,673.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,766.56 : 25,147.92 = 5,673.28 : x
2. Step 2: Convert to fraction form
   16,766.56/25,147.92 = 5,673.28/x
3. Step 3: Cross multiply
   16,766.56x = 25,147.92 × 5,673.28
4. Step 4: Simplify right side
   16,766.56x = 142,671,191.58
5. Step 5: Solve for x
   x = 142,671,191.58/16,766.56
6. Step 6: Final answer
   x = 8,509.27