Finding the Fourth Proportional to 2,889.37, 3,987.04 and 1,630.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,889.37 : 3,987.04 = 1,630.31 : x
2. Step 2: Convert to fraction form
   2,889.37/3,987.04 = 1,630.31/x
3. Step 3: Cross multiply
   2,889.37x = 3,987.04 × 1,630.31
4. Step 4: Simplify right side
   2,889.37x = 6,500,111.18
5. Step 5: Solve for x
   x = 6,500,111.18/2,889.37
6. Step 6: Final answer
   x = 2,249.66