Finding the Fourth Proportional to 3,870.27, 5,341.82 and 2,379.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.27 : 5,341.82 = 2,379.47 : x
2. Step 2: Convert to fraction form
   3,870.27/5,341.82 = 2,379.47/x
3. Step 3: Cross multiply
   3,870.27x = 5,341.82 × 2,379.47
4. Step 4: Simplify right side
   3,870.27x = 12,710,661.83
5. Step 5: Solve for x
   x = 12,710,661.83/3,870.27
6. Step 6: Final answer
   x = 3,284.18