Finding the Fourth Proportional to 2,468.48, 3,406.16 and 1,406.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,468.48 : 3,406.16 = 1,406.12 : x
2. Step 2: Convert to fraction form
   2,468.48/3,406.16 = 1,406.12/x
3. Step 3: Cross multiply
   2,468.48x = 3,406.16 × 1,406.12
4. Step 4: Simplify right side
   2,468.48x = 4,789,456.18
5. Step 5: Solve for x
   x = 4,789,456.18/2,468.48
6. Step 6: Final answer
   x = 1,940.25