Finding the Fourth Proportional to 7,668.30, 10,579.50 and 5,682.18

Step by Step Solution

1. Step 1: Write the proportion equation
   7,668.30 : 10,579.50 = 5,682.18 : x
2. Step 2: Convert to fraction form
   7,668.30/10,579.50 = 5,682.18/x
3. Step 3: Cross multiply
   7,668.30x = 10,579.50 × 5,682.18
4. Step 4: Simplify right side
   7,668.30x = 60,114,623.31
5. Step 5: Solve for x
   x = 60,114,623.31/7,668.30
6. Step 6: Final answer
   x = 7,839.37