Finding the Fourth Proportional to 2,467.87, 3,405.49 and 1,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,467.87 : 3,405.49 = 1,405.50 : x
2. Step 2: Convert to fraction form
   2,467.87/3,405.49 = 1,405.50/x
3. Step 3: Cross multiply
   2,467.87x = 3,405.49 × 1,405.50
4. Step 4: Simplify right side
   2,467.87x = 4,786,426.97
5. Step 5: Solve for x
   x = 4,786,426.97/2,467.87
6. Step 6: Final answer
   x = 1,939.50