Finding the Fourth Proportional to 3,661.59, 5,053.01 and 2,089.65

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.59 : 5,053.01 = 2,089.65 : x
2. Step 2: Convert to fraction form
   3,661.59/5,053.01 = 2,089.65/x
3. Step 3: Cross multiply
   3,661.59x = 5,053.01 × 2,089.65
4. Step 4: Simplify right side
   3,661.59x = 10,559,022.35
5. Step 5: Solve for x
   x = 10,559,022.35/3,661.59
6. Step 6: Final answer
   x = 2,883.73