Finding the Fourth Proportional to 2,390.20, 3,298.52 and 1,446.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.20 : 3,298.52 = 1,446.04 : x
2. Step 2: Convert to fraction form
   2,390.20/3,298.52 = 1,446.04/x
3. Step 3: Cross multiply
   2,390.20x = 3,298.52 × 1,446.04
4. Step 4: Simplify right side
   2,390.20x = 4,769,791.86
5. Step 5: Solve for x
   x = 4,769,791.86/2,390.20
6. Step 6: Final answer
   x = 1,995.56