Finding the Fourth Proportional to 2,454.71, 3,679.83 and 1,222.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.71 : 3,679.83 = 1,222.49 : x
2. Step 2: Convert to fraction form
   2,454.71/3,679.83 = 1,222.49/x
3. Step 3: Cross multiply
   2,454.71x = 3,679.83 × 1,222.49
4. Step 4: Simplify right side
   2,454.71x = 4,498,564.58
5. Step 5: Solve for x
   x = 4,498,564.58/2,454.71
6. Step 6: Final answer
   x = 1,832.63