Finding the Fourth Proportional to 2,488.39, 3,433.53 and 1,411.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488.39 : 3,433.53 = 1,411.61 : x
2. Step 2: Convert to fraction form
   2,488.39/3,433.53 = 1,411.61/x
3. Step 3: Cross multiply
   2,488.39x = 3,433.53 × 1,411.61
4. Step 4: Simplify right side
   2,488.39x = 4,846,788.12
5. Step 5: Solve for x
   x = 4,846,788.12/2,488.39
6. Step 6: Final answer
   x = 1,947.76