Finding the Fourth Proportional to 2,719.98, 4,082.67 and 1,259.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.98 : 4,082.67 = 1,259.46 : x
2. Step 2: Convert to fraction form
   2,719.98/4,082.67 = 1,259.46/x
3. Step 3: Cross multiply
   2,719.98x = 4,082.67 × 1,259.46
4. Step 4: Simplify right side
   2,719.98x = 5,141,959.56
5. Step 5: Solve for x
   x = 5,141,959.56/2,719.98
6. Step 6: Final answer
   x = 1,890.44