Finding the Fourth Proportional to 2,488.48, 3,433.39 and 1,604.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.48 : 3,433.39 = 1,604.79 : x
2. Step 2: Convert to fraction form
   2,488.48/3,433.39 = 1,604.79/x
3. Step 3: Cross multiply
   2,488.48x = 3,433.39 × 1,604.79
4. Step 4: Simplify right side
   2,488.48x = 5,509,869.94
5. Step 5: Solve for x
   x = 5,509,869.94/2,488.48
6. Step 6: Final answer
   x = 2,214.15