Finding the Fourth Proportional to 2,467.46, 3,405.24 and 1,405.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,467.46 : 3,405.24 = 1,405.05 : x
2. Step 2: Convert to fraction form
   2,467.46/3,405.24 = 1,405.05/x
3. Step 3: Cross multiply
   2,467.46x = 3,405.24 × 1,405.05
4. Step 4: Simplify right side
   2,467.46x = 4,784,519.69
5. Step 5: Solve for x
   x = 4,784,519.69/2,467.46
6. Step 6: Final answer
   x = 1,939.04