Finding the Fourth Proportional to 8,546.18, 12,819.82 and 3,615.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,546.18 : 12,819.82 = 3,615.18 : x
2. Step 2: Convert to fraction form
   8,546.18/12,819.82 = 3,615.18/x
3. Step 3: Cross multiply
   8,546.18x = 12,819.82 × 3,615.18
4. Step 4: Simplify right side
   8,546.18x = 46,345,956.87
5. Step 5: Solve for x
   x = 46,345,956.87/8,546.18
6. Step 6: Final answer
   x = 5,423.00