Finding the Fourth Proportional to 2,446.89, 3,671.55 and 1,214.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,446.89 : 3,671.55 = 1,214.25 : x
2. Step 2: Convert to fraction form
   2,446.89/3,671.55 = 1,214.25/x
3. Step 3: Cross multiply
   2,446.89x = 3,671.55 × 1,214.25
4. Step 4: Simplify right side
   2,446.89x = 4,458,179.59
5. Step 5: Solve for x
   x = 4,458,179.59/2,446.89
6. Step 6: Final answer
   x = 1,821.98