Finding the Fourth Proportional to 3,951.59, 5,453.73 and 2,379.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.59 : 5,453.73 = 2,379.38 : x
2. Step 2: Convert to fraction form
   3,951.59/5,453.73 = 2,379.38/x
3. Step 3: Cross multiply
   3,951.59x = 5,453.73 × 2,379.38
4. Step 4: Simplify right side
   3,951.59x = 12,976,468.82
5. Step 5: Solve for x
   x = 12,976,468.82/3,951.59
6. Step 6: Final answer
   x = 3,283.86