Finding the Fourth Proportional to 6,826.80, 10,230.58 and 5,433.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,826.80 : 10,230.58 = 5,433.94 : x
2. Step 2: Convert to fraction form
   6,826.80/10,230.58 = 5,433.94/x
3. Step 3: Cross multiply
   6,826.80x = 10,230.58 × 5,433.94
4. Step 4: Simplify right side
   6,826.80x = 55,592,357.89
5. Step 5: Solve for x
   x = 55,592,357.89/6,826.80
6. Step 6: Final answer
   x = 8,143.25