Finding the Fourth Proportional to 3,196.86, 4,411.71 and 1,871.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,196.86 : 4,411.71 = 1,871.34 : x
2. Step 2: Convert to fraction form
   3,196.86/4,411.71 = 1,871.34/x
3. Step 3: Cross multiply
   3,196.86x = 4,411.71 × 1,871.34
4. Step 4: Simplify right side
   3,196.86x = 8,255,809.39
5. Step 5: Solve for x
   x = 8,255,809.39/3,196.86
6. Step 6: Final answer
   x = 2,582.47