Finding the Fourth Proportional to 3,661.77, 5,053.60 and 2,090.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.77 : 5,053.60 = 2,090.10 : x
2. Step 2: Convert to fraction form
   3,661.77/5,053.60 = 2,090.10/x
3. Step 3: Cross multiply
   3,661.77x = 5,053.60 × 2,090.10
4. Step 4: Simplify right side
   3,661.77x = 10,562,498.87
5. Step 5: Solve for x
   x = 10,562,498.87/3,661.77
6. Step 6: Final answer
   x = 2,884.54