Finding the Fourth Proportional to 3,610.59, 5,407.22 and 1,963.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.59 : 5,407.22 = 1,963.05 : x
2. Step 2: Convert to fraction form
   3,610.59/5,407.22 = 1,963.05/x
3. Step 3: Cross multiply
   3,610.59x = 5,407.22 × 1,963.05
4. Step 4: Simplify right side
   3,610.59x = 10,614,627.85
5. Step 5: Solve for x
   x = 10,614,627.85/3,610.59
6. Step 6: Final answer
   x = 2,939.86