Finding the Fourth Proportional to 2,719.58, 4,078.28 and 1,469.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.58 : 4,078.28 = 1,469.57 : x
2. Step 2: Convert to fraction form
   2,719.58/4,078.28 = 1,469.57/x
3. Step 3: Cross multiply
   2,719.58x = 4,078.28 × 1,469.57
4. Step 4: Simplify right side
   2,719.58x = 5,993,331.81
5. Step 5: Solve for x
   x = 5,993,331.81/2,719.58
6. Step 6: Final answer
   x = 2,203.78