Finding the Fourth Proportional to 8,668.89, 12,992.00 and 3,468.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,668.89 : 12,992.00 = 3,468.69 : x
2. Step 2: Convert to fraction form
   8,668.89/12,992.00 = 3,468.69/x
3. Step 3: Cross multiply
   8,668.89x = 12,992.00 × 3,468.69
4. Step 4: Simplify right side
   8,668.89x = 45,065,203.14
5. Step 5: Solve for x
   x = 45,065,203.14/8,668.89
6. Step 6: Final answer
   x = 5,198.50