Finding the Fourth Proportional to 5,714.58, 7,885.86 and 3,196.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.58 : 7,885.86 = 3,196.98 : x
2. Step 2: Convert to fraction form
   5,714.58/7,885.86 = 3,196.98/x
3. Step 3: Cross multiply
   5,714.58x = 7,885.86 × 3,196.98
4. Step 4: Simplify right side
   5,714.58x = 25,210,936.70
5. Step 5: Solve for x
   x = 25,210,936.70/5,714.58
6. Step 6: Final answer
   x = 4,411.69