Finding the Fourth Proportional to 16,766.25, 25,152.98 and 5,672.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,766.25 : 25,152.98 = 5,672.40 : x
2. Step 2: Convert to fraction form
   16,766.25/25,152.98 = 5,672.40/x
3. Step 3: Cross multiply
   16,766.25x = 25,152.98 × 5,672.40
4. Step 4: Simplify right side
   16,766.25x = 142,677,735.39
5. Step 5: Solve for x
   x = 142,677,735.39/16,766.25
6. Step 6: Final answer
   x = 8,509.82