Finding the Fourth Proportional to 2,757.83, 3,801.38 and 2,159.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,757.83 : 3,801.38 = 2,159.31 : x
2. Step 2: Convert to fraction form
   2,757.83/3,801.38 = 2,159.31/x
3. Step 3: Cross multiply
   2,757.83x = 3,801.38 × 2,159.31
4. Step 4: Simplify right side
   2,757.83x = 8,208,347.05
5. Step 5: Solve for x
   x = 8,208,347.05/2,757.83
6. Step 6: Final answer
   x = 2,976.38