Finding the Fourth Proportional to 2,406.56, 3,321.05 and 1,411.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.56 : 3,321.05 = 1,411.85 : x
2. Step 2: Convert to fraction form
   2,406.56/3,321.05 = 1,411.85/x
3. Step 3: Cross multiply
   2,406.56x = 3,321.05 × 1,411.85
4. Step 4: Simplify right side
   2,406.56x = 4,688,800.78
5. Step 5: Solve for x
   x = 4,688,800.78/2,406.56
6. Step 6: Final answer
   x = 1,948.35