Finding the Fourth Proportional to 2,025.20, 2,795.82 and 1,279.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,025.20 : 2,795.82 = 1,279.94 : x
2. Step 2: Convert to fraction form
   2,025.20/2,795.82 = 1,279.94/x
3. Step 3: Cross multiply
   2,025.20x = 2,795.82 × 1,279.94
4. Step 4: Simplify right side
   2,025.20x = 3,578,463.07
5. Step 5: Solve for x
   x = 3,578,463.07/2,025.20
6. Step 6: Final answer
   x = 1,766.97