Finding the Fourth Proportional to 16,766.18, 25,140.59 and 5,668.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,766.18 : 25,140.59 = 5,668.91 : x
2. Step 2: Convert to fraction form
   16,766.18/25,140.59 = 5,668.91/x
3. Step 3: Cross multiply
   16,766.18x = 25,140.59 × 5,668.91
4. Step 4: Simplify right side
   16,766.18x = 142,519,742.06
5. Step 5: Solve for x
   x = 142,519,742.06/16,766.18
6. Step 6: Final answer
   x = 8,500.43