Finding the Fourth Proportional to 3,661.31, 5,053.52 and 2,090.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.31 : 5,053.52 = 2,090.32 : x
2. Step 2: Convert to fraction form
   3,661.31/5,053.52 = 2,090.32/x
3. Step 3: Cross multiply
   3,661.31x = 5,053.52 × 2,090.32
4. Step 4: Simplify right side
   3,661.31x = 10,563,466.52
5. Step 5: Solve for x
   x = 10,563,466.52/3,661.31
6. Step 6: Final answer
   x = 2,885.16