Finding the Fourth Proportional to 2,293.20, 3,443.90 and 2,055.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.20 : 3,443.90 = 2,055.36 : x
2. Step 2: Convert to fraction form
   2,293.20/3,443.90 = 2,055.36/x
3. Step 3: Cross multiply
   2,293.20x = 3,443.90 × 2,055.36
4. Step 4: Simplify right side
   2,293.20x = 7,078,444.03
5. Step 5: Solve for x
   x = 7,078,444.03/2,293.20
6. Step 6: Final answer
   x = 3,086.71