Finding the Fourth Proportional to 2,607.39, 3,908.33 and 1,219.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.39 : 3,908.33 = 1,219.56 : x
2. Step 2: Convert to fraction form
   2,607.39/3,908.33 = 1,219.56/x
3. Step 3: Cross multiply
   2,607.39x = 3,908.33 × 1,219.56
4. Step 4: Simplify right side
   2,607.39x = 4,766,436.84
5. Step 5: Solve for x
   x = 4,766,436.84/2,607.39
6. Step 6: Final answer
   x = 1,828.05