Finding the Fourth Proportional to 3,546.25, 4,891.89 and 2,219.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,546.25 : 4,891.89 = 2,219.67 : x
2. Step 2: Convert to fraction form
   3,546.25/4,891.89 = 2,219.67/x
3. Step 3: Cross multiply
   3,546.25x = 4,891.89 × 2,219.67
4. Step 4: Simplify right side
   3,546.25x = 10,858,389.80
5. Step 5: Solve for x
   x = 10,858,389.80/3,546.25
6. Step 6: Final answer
   x = 3,061.94