Finding the Fourth Proportional to 8,309.01, 12,455.82 and 4,359.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,309.01 : 12,455.82 = 4,359.45 : x
2. Step 2: Convert to fraction form
   8,309.01/12,455.82 = 4,359.45/x
3. Step 3: Cross multiply
   8,309.01x = 12,455.82 × 4,359.45
4. Step 4: Simplify right side
   8,309.01x = 54,300,524.50
5. Step 5: Solve for x
   x = 54,300,524.50/8,309.01
6. Step 6: Final answer
   x = 6,535.14