Finding the Fourth Proportional to 2,406.63, 3,321.05 and 1,411.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.63 : 3,321.05 = 1,411.95 : x
2. Step 2: Convert to fraction form
   2,406.63/3,321.05 = 1,411.95/x
3. Step 3: Cross multiply
   2,406.63x = 3,321.05 × 1,411.95
4. Step 4: Simplify right side
   2,406.63x = 4,689,149.49
5. Step 5: Solve for x
   x = 4,689,149.49/2,406.63
6. Step 6: Final answer
   x = 1,948.43