Finding the Fourth Proportional to 6,808.18, 9,401.28 and 4,294.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,808.18 : 9,401.28 = 4,294.78 : x
2. Step 2: Convert to fraction form
   6,808.18/9,401.28 = 4,294.78/x
3. Step 3: Cross multiply
   6,808.18x = 9,401.28 × 4,294.78
4. Step 4: Simplify right side
   6,808.18x = 40,376,429.32
5. Step 5: Solve for x
   x = 40,376,429.32/6,808.18
6. Step 6: Final answer
   x = 5,930.58