Finding the Fourth Proportional to 2,755.88, 3,798.78 and 2,091.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.88 : 3,798.78 = 2,091.57 : x
2. Step 2: Convert to fraction form
   2,755.88/3,798.78 = 2,091.57/x
3. Step 3: Cross multiply
   2,755.88x = 3,798.78 × 2,091.57
4. Step 4: Simplify right side
   2,755.88x = 7,945,414.28
5. Step 5: Solve for x
   x = 7,945,414.28/2,755.88
6. Step 6: Final answer
   x = 2,883.08