Finding the Fourth Proportional to 3,870.93, 5,804.92 and 1,648.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.93 : 5,804.92 = 1,648.37 : x
2. Step 2: Convert to fraction form
   3,870.93/5,804.92 = 1,648.37/x
3. Step 3: Cross multiply
   3,870.93x = 5,804.92 × 1,648.37
4. Step 4: Simplify right side
   3,870.93x = 9,568,644.54
5. Step 5: Solve for x
   x = 9,568,644.54/3,870.93
6. Step 6: Final answer
   x = 2,471.92