Finding the Fourth Proportional to 2,406.20, 3,320.36 and 1,411.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.20 : 3,320.36 = 1,411.34 : x
2. Step 2: Convert to fraction form
   2,406.20/3,320.36 = 1,411.34/x
3. Step 3: Cross multiply
   2,406.20x = 3,320.36 × 1,411.34
4. Step 4: Simplify right side
   2,406.20x = 4,686,156.88
5. Step 5: Solve for x
   x = 4,686,156.88/2,406.20
6. Step 6: Final answer
   x = 1,947.53