Finding the Fourth Proportional to 2,399.48, 3,594.64 and 1,409.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.48 : 3,594.64 = 1,409.86 : x
2. Step 2: Convert to fraction form
   2,399.48/3,594.64 = 1,409.86/x
3. Step 3: Cross multiply
   2,399.48x = 3,594.64 × 1,409.86
4. Step 4: Simplify right side
   2,399.48x = 5,067,939.15
5. Step 5: Solve for x
   x = 5,067,939.15/2,399.48
6. Step 6: Final answer
   x = 2,112.10