Finding the Fourth Proportional to 5,714.15, 7,885.58 and 3,196.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.15 : 7,885.58 = 3,196.40 : x
2. Step 2: Convert to fraction form
   5,714.15/7,885.58 = 3,196.40/x
3. Step 3: Cross multiply
   5,714.15x = 7,885.58 × 3,196.40
4. Step 4: Simplify right side
   5,714.15x = 25,205,412.50
5. Step 5: Solve for x
   x = 25,205,412.50/5,714.15
6. Step 6: Final answer
   x = 4,411.06