Finding the Fourth Proportional to 2,055.34, 3,083.03 and 1,643.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.34 : 3,083.03 = 1,643.95 : x
2. Step 2: Convert to fraction form
   2,055.34/3,083.03 = 1,643.95/x
3. Step 3: Cross multiply
   2,055.34x = 3,083.03 × 1,643.95
4. Step 4: Simplify right side
   2,055.34x = 5,068,323.53
5. Step 5: Solve for x
   x = 5,068,323.53/2,055.34
6. Step 6: Final answer
   x = 2,465.94