Finding the Fourth Proportional to 2,390.40, 3,582.72 and 1,414.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.40 : 3,582.72 = 1,414.08 : x
2. Step 2: Convert to fraction form
   2,390.40/3,582.72 = 1,414.08/x
3. Step 3: Cross multiply
   2,390.40x = 3,582.72 × 1,414.08
4. Step 4: Simplify right side
   2,390.40x = 5,066,252.70
5. Step 5: Solve for x
   x = 5,066,252.70/2,390.40
6. Step 6: Final answer
   x = 2,119.42