Finding the Fourth Proportional to 2,889.30, 3,986.89 and 1,630.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.30 : 3,986.89 = 1,630.37 : x
2. Step 2: Convert to fraction form
   2,889.30/3,986.89 = 1,630.37/x
3. Step 3: Cross multiply
   2,889.30x = 3,986.89 × 1,630.37
4. Step 4: Simplify right side
   2,889.30x = 6,500,105.85
5. Step 5: Solve for x
   x = 6,500,105.85/2,889.30
6. Step 6: Final answer
   x = 2,249.72