Finding the Fourth Proportional to 3,605.94, 5,405.69 and 1,963.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,605.94 : 5,405.69 = 1,963.86 : x
2. Step 2: Convert to fraction form
   3,605.94/5,405.69 = 1,963.86/x
3. Step 3: Cross multiply
   3,605.94x = 5,405.69 × 1,963.86
4. Step 4: Simplify right side
   3,605.94x = 10,616,008.54
5. Step 5: Solve for x
   x = 10,616,008.54/3,605.94
6. Step 6: Final answer
   x = 2,944.03