Finding the Fourth Proportional to 2,443.61, 3,372.21 and 1,324.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.61 : 3,372.21 = 1,324.56 : x
2. Step 2: Convert to fraction form
   2,443.61/3,372.21 = 1,324.56/x
3. Step 3: Cross multiply
   2,443.61x = 3,372.21 × 1,324.56
4. Step 4: Simplify right side
   2,443.61x = 4,466,688.15
5. Step 5: Solve for x
   x = 4,466,688.15/2,443.61
6. Step 6: Final answer
   x = 1,827.90