Finding the Fourth Proportional to 5,714.10, 7,886.34 and 3,944.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,714.10 : 7,886.34 = 3,944.22 : x
2. Step 2: Convert to fraction form
   5,714.10/7,886.34 = 3,944.22/x
3. Step 3: Cross multiply
   5,714.10x = 7,886.34 × 3,944.22
4. Step 4: Simplify right side
   5,714.10x = 31,105,459.95
5. Step 5: Solve for x
   x = 31,105,459.95/5,714.10
6. Step 6: Final answer
   x = 5,443.63