Finding the Fourth Proportional to 1,995.84, 2,753.73 and 1,278.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.84 : 2,753.73 = 1,278.27 : x
2. Step 2: Convert to fraction form
   1,995.84/2,753.73 = 1,278.27/x
3. Step 3: Cross multiply
   1,995.84x = 2,753.73 × 1,278.27
4. Step 4: Simplify right side
   1,995.84x = 3,520,010.45
5. Step 5: Solve for x
   x = 3,520,010.45/1,995.84
6. Step 6: Final answer
   x = 1,763.67