Finding the Fourth Proportional to 5,714.75, 7,886.28 and 3,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.75 : 7,886.28 = 3,196.82 : x
2. Step 2: Convert to fraction form
   5,714.75/7,886.28 = 3,196.82/x
3. Step 3: Cross multiply
   5,714.75x = 7,886.28 × 3,196.82
4. Step 4: Simplify right side
   5,714.75x = 25,210,978.20
5. Step 5: Solve for x
   x = 25,210,978.20/5,714.75
6. Step 6: Final answer
   x = 4,411.57