Finding the Fourth Proportional to 2,796.92, 3,877.69 and 2,641.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,796.92 : 3,877.69 = 2,641.40 : x
2. Step 2: Convert to fraction form
   2,796.92/3,877.69 = 2,641.40/x
3. Step 3: Cross multiply
   2,796.92x = 3,877.69 × 2,641.40
4. Step 4: Simplify right side
   2,796.92x = 10,242,530.37
5. Step 5: Solve for x
   x = 10,242,530.37/2,796.92
6. Step 6: Final answer
   x = 3,662.07