Finding the Fourth Proportional to 2,757.96, 3,804.72 and 1,638.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.96 : 3,804.72 = 1,638.27 : x
2. Step 2: Convert to fraction form
   2,757.96/3,804.72 = 1,638.27/x
3. Step 3: Cross multiply
   2,757.96x = 3,804.72 × 1,638.27
4. Step 4: Simplify right side
   2,757.96x = 6,233,158.63
5. Step 5: Solve for x
   x = 6,233,158.63/2,757.96
6. Step 6: Final answer
   x = 2,260.06