Finding the Fourth Proportional to 16,870.82, 25,308.54 and 6,340.41

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.82 : 25,308.54 = 6,340.41 : x
2. Step 2: Convert to fraction form
   16,870.82/25,308.54 = 6,340.41/x
3. Step 3: Cross multiply
   16,870.82x = 25,308.54 × 6,340.41
4. Step 4: Simplify right side
   16,870.82x = 160,466,520.10
5. Step 5: Solve for x
   x = 160,466,520.10/16,870.82
6. Step 6: Final answer
   x = 9,511.49