Finding the Fourth Proportional to 2,755.88, 3,800.76 and 1,961.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.88 : 3,800.76 = 1,961.72 : x
2. Step 2: Convert to fraction form
   2,755.88/3,800.76 = 1,961.72/x
3. Step 3: Cross multiply
   2,755.88x = 3,800.76 × 1,961.72
4. Step 4: Simplify right side
   2,755.88x = 7,456,026.91
5. Step 5: Solve for x
   x = 7,456,026.91/2,755.88
6. Step 6: Final answer
   x = 2,705.50