Finding the Fourth Proportional to 3,661.57, 5,052.85 and 2,089.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.57 : 5,052.85 = 2,089.59 : x
2. Step 2: Convert to fraction form
   3,661.57/5,052.85 = 2,089.59/x
3. Step 3: Cross multiply
   3,661.57x = 5,052.85 × 2,089.59
4. Step 4: Simplify right side
   3,661.57x = 10,558,384.83
5. Step 5: Solve for x
   x = 10,558,384.83/3,661.57
6. Step 6: Final answer
   x = 2,883.57