Finding the Fourth Proportional to 8,384.50, 12,578.69 and 2,461.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,384.50 : 12,578.69 = 2,461.15 : x
2. Step 2: Convert to fraction form
   8,384.50/12,578.69 = 2,461.15/x
3. Step 3: Cross multiply
   8,384.50x = 12,578.69 × 2,461.15
4. Step 4: Simplify right side
   8,384.50x = 30,958,017.60
5. Step 5: Solve for x
   x = 30,958,017.60/8,384.50
6. Step 6: Final answer
   x = 3,692.29