Finding the Fourth Proportional to 2,739.45, 4,108.23 and 1,095.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.45 : 4,108.23 = 1,095.57 : x
2. Step 2: Convert to fraction form
   2,739.45/4,108.23 = 1,095.57/x
3. Step 3: Cross multiply
   2,739.45x = 4,108.23 × 1,095.57
4. Step 4: Simplify right side
   2,739.45x = 4,500,853.54
5. Step 5: Solve for x
   x = 4,500,853.54/2,739.45
6. Step 6: Final answer
   x = 1,642.98