Finding the Fourth Proportional to 2,406.13, 3,320.35 and 1,411.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.13 : 3,320.35 = 1,411.45 : x
2. Step 2: Convert to fraction form
   2,406.13/3,320.35 = 1,411.45/x
3. Step 3: Cross multiply
   2,406.13x = 3,320.35 × 1,411.45
4. Step 4: Simplify right side
   2,406.13x = 4,686,508.01
5. Step 5: Solve for x
   x = 4,686,508.01/2,406.13
6. Step 6: Final answer
   x = 1,947.74