Finding the Fourth Proportional to 6,820.10, 10,227.17 and 3,440.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,820.10 : 10,227.17 = 3,440.82 : x
2. Step 2: Convert to fraction form
   6,820.10/10,227.17 = 3,440.82/x
3. Step 3: Cross multiply
   6,820.10x = 10,227.17 × 3,440.82
4. Step 4: Simplify right side
   6,820.10x = 35,189,819.18
5. Step 5: Solve for x
   x = 35,189,819.18/6,820.10
6. Step 6: Final answer
   x = 5,159.72