Finding the Fourth Proportional to 2,055.84, 3,083.78 and 1,644.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.84 : 3,083.78 = 1,644.45 : x
2. Step 2: Convert to fraction form
   2,055.84/3,083.78 = 1,644.45/x
3. Step 3: Cross multiply
   2,055.84x = 3,083.78 × 1,644.45
4. Step 4: Simplify right side
   2,055.84x = 5,071,098.38
5. Step 5: Solve for x
   x = 5,071,098.38/2,055.84
6. Step 6: Final answer
   x = 2,466.69