Finding the Fourth Proportional to 5,714.43, 7,886.37 and 3,196.74

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.43 : 7,886.37 = 3,196.74 : x
2. Step 2: Convert to fraction form
   5,714.43/7,886.37 = 3,196.74/x
3. Step 3: Cross multiply
   5,714.43x = 7,886.37 × 3,196.74
4. Step 4: Simplify right side
   5,714.43x = 25,210,674.43
5. Step 5: Solve for x
   x = 25,210,674.43/5,714.43
6. Step 6: Final answer
   x = 4,411.76