Finding the Fourth Proportional to 2,406.30, 3,320.12 and 1,411.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.30 : 3,320.12 = 1,411.22 : x
2. Step 2: Convert to fraction form
   2,406.30/3,320.12 = 1,411.22/x
3. Step 3: Cross multiply
   2,406.30x = 3,320.12 × 1,411.22
4. Step 4: Simplify right side
   2,406.30x = 4,685,419.75
5. Step 5: Solve for x
   x = 4,685,419.75/2,406.30
6. Step 6: Final answer
   x = 1,947.15