Finding the Fourth Proportional to 3,663.31, 5,054.65 and 2,090.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.31 : 5,054.65 = 2,090.83 : x
2. Step 2: Convert to fraction form
   3,663.31/5,054.65 = 2,090.83/x
3. Step 3: Cross multiply
   3,663.31x = 5,054.65 × 2,090.83
4. Step 4: Simplify right side
   3,663.31x = 10,568,413.86
5. Step 5: Solve for x
   x = 10,568,413.86/3,663.31
6. Step 6: Final answer
   x = 2,884.94