Finding the Fourth Proportional to 3,714.86, 5,570.39 and 1,960.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.86 : 5,570.39 = 1,960.81 : x
2. Step 2: Convert to fraction form
   3,714.86/5,570.39 = 1,960.81/x
3. Step 3: Cross multiply
   3,714.86x = 5,570.39 × 1,960.81
4. Step 4: Simplify right side
   3,714.86x = 10,922,467.39
5. Step 5: Solve for x
   x = 10,922,467.39/3,714.86
6. Step 6: Final answer
   x = 2,940.21