Finding the Fourth Proportional to 3,661.68, 5,053.56 and 2,090.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.68 : 5,053.56 = 2,090.04 : x
2. Step 2: Convert to fraction form
   3,661.68/5,053.56 = 2,090.04/x
3. Step 3: Cross multiply
   3,661.68x = 5,053.56 × 2,090.04
4. Step 4: Simplify right side
   3,661.68x = 10,562,142.54
5. Step 5: Solve for x
   x = 10,562,142.54/3,661.68
6. Step 6: Final answer
   x = 2,884.51