Finding the Fourth Proportional to 6,809.43, 10,222.79 and 5,789.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,809.43 : 10,222.79 = 5,789.91 : x
2. Step 2: Convert to fraction form
   6,809.43/10,222.79 = 5,789.91/x
3. Step 3: Cross multiply
   6,809.43x = 10,222.79 × 5,789.91
4. Step 4: Simplify right side
   6,809.43x = 59,189,005.10
5. Step 5: Solve for x
   x = 59,189,005.10/6,809.43
6. Step 6: Final answer
   x = 8,692.21