Finding the Fourth Proportional to 2,406.86, 3,320.22 and 1,411.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.86 : 3,320.22 = 1,411.47 : x
2. Step 2: Convert to fraction form
   2,406.86/3,320.22 = 1,411.47/x
3. Step 3: Cross multiply
   2,406.86x = 3,320.22 × 1,411.47
4. Step 4: Simplify right side
   2,406.86x = 4,686,390.92
5. Step 5: Solve for x
   x = 4,686,390.92/2,406.86
6. Step 6: Final answer
   x = 1,947.10