Finding the Fourth Proportional to 2,443.16, 3,664.96 and 1,056.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.16 : 3,664.96 = 1,056.54 : x
2. Step 2: Convert to fraction form
   2,443.16/3,664.96 = 1,056.54/x
3. Step 3: Cross multiply
   2,443.16x = 3,664.96 × 1,056.54
4. Step 4: Simplify right side
   2,443.16x = 3,872,176.84
5. Step 5: Solve for x
   x = 3,872,176.84/2,443.16
6. Step 6: Final answer
   x = 1,584.91