Finding the Fourth Proportional to 2,379.46, 3,568.05 and 1,392.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.46 : 3,568.05 = 1,392.56 : x
2. Step 2: Convert to fraction form
   2,379.46/3,568.05 = 1,392.56/x
3. Step 3: Cross multiply
   2,379.46x = 3,568.05 × 1,392.56
4. Step 4: Simplify right side
   2,379.46x = 4,968,723.71
5. Step 5: Solve for x
   x = 4,968,723.71/2,379.46
6. Step 6: Final answer
   x = 2,088.17