Finding the Fourth Proportional to 2,546.16, 3,819.81 and 986.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,546.16 : 3,819.81 = 986.17 : x
2. Step 2: Convert to fraction form
   2,546.16/3,819.81 = 986.17/x
3. Step 3: Cross multiply
   2,546.16x = 3,819.81 × 986.17
4. Step 4: Simplify right side
   2,546.16x = 3,766,982.03
5. Step 5: Solve for x
   x = 3,766,982.03/2,546.16
6. Step 6: Final answer
   x = 1,479.48