Finding the Fourth Proportional to 6,818.58, 9,401.76 and 5,399.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,818.58 : 9,401.76 = 5,399.46 : x
2. Step 2: Convert to fraction form
   6,818.58/9,401.76 = 5,399.46/x
3. Step 3: Cross multiply
   6,818.58x = 9,401.76 × 5,399.46
4. Step 4: Simplify right side
   6,818.58x = 50,764,427.05
5. Step 5: Solve for x
   x = 50,764,427.05/6,818.58
6. Step 6: Final answer
   x = 7,445.01