Finding the Fourth Proportional to 3,900.09, 5,844.87 and 3,650.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.09 : 5,844.87 = 3,650.97 : x
2. Step 2: Convert to fraction form
   3,900.09/5,844.87 = 3,650.97/x
3. Step 3: Cross multiply
   3,900.09x = 5,844.87 × 3,650.97
4. Step 4: Simplify right side
   3,900.09x = 21,339,445.02
5. Step 5: Solve for x
   x = 21,339,445.02/3,900.09
6. Step 6: Final answer
   x = 5,471.53