Finding the Fourth Proportional to 2,886.37, 3,982.91 and 1,627.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.37 : 3,982.91 = 1,627.31 : x
2. Step 2: Convert to fraction form
   2,886.37/3,982.91 = 1,627.31/x
3. Step 3: Cross multiply
   2,886.37x = 3,982.91 × 1,627.31
4. Step 4: Simplify right side
   2,886.37x = 6,481,408.69
5. Step 5: Solve for x
   x = 6,481,408.69/2,886.37
6. Step 6: Final answer
   x = 2,245.52