Finding the Fourth Proportional to 6,826.74, 10,230.50 and 5,433.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,826.74 : 10,230.50 = 5,433.89 : x
2. Step 2: Convert to fraction form
   6,826.74/10,230.50 = 5,433.89/x
3. Step 3: Cross multiply
   6,826.74x = 10,230.50 × 5,433.89
4. Step 4: Simplify right side
   6,826.74x = 55,591,333.32
5. Step 5: Solve for x
   x = 55,591,333.32/6,826.74
6. Step 6: Final answer
   x = 8,143.17