Finding the Fourth Proportional to 3,705.41, 5,111.44 and 2,379.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.41 : 5,111.44 = 2,379.31 : x
2. Step 2: Convert to fraction form
   3,705.41/5,111.44 = 2,379.31/x
3. Step 3: Cross multiply
   3,705.41x = 5,111.44 × 2,379.31
4. Step 4: Simplify right side
   3,705.41x = 12,161,700.31
5. Step 5: Solve for x
   x = 12,161,700.31/3,705.41
6. Step 6: Final answer
   x = 3,282.15