Finding the Fourth Proportional to 8,389.49, 12,584.31 and 2,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,389.49 : 12,584.31 = 2,546.10 : x
2. Step 2: Convert to fraction form
   8,389.49/12,584.31 = 2,546.10/x
3. Step 3: Cross multiply
   8,389.49x = 12,584.31 × 2,546.10
4. Step 4: Simplify right side
   8,389.49x = 32,040,836.04
5. Step 5: Solve for x
   x = 32,040,836.04/8,389.49
6. Step 6: Final answer
   x = 3,819.17