Finding the Fourth Proportional to 2,379.86, 3,284.24 and 1,371.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.86 : 3,284.24 = 1,371.34 : x
2. Step 2: Convert to fraction form
   2,379.86/3,284.24 = 1,371.34/x
3. Step 3: Cross multiply
   2,379.86x = 3,284.24 × 1,371.34
4. Step 4: Simplify right side
   2,379.86x = 4,503,786.40
5. Step 5: Solve for x
   x = 4,503,786.40/2,379.86
6. Step 6: Final answer
   x = 1,892.46