Finding the Fourth Proportional to 16,668.89, 24,856.29 and 16,518.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,668.89 : 24,856.29 = 16,518.88 : x
2. Step 2: Convert to fraction form
   16,668.89/24,856.29 = 16,518.88/x
3. Step 3: Cross multiply
   16,668.89x = 24,856.29 × 16,518.88
4. Step 4: Simplify right side
   16,668.89x = 410,597,947.47
5. Step 5: Solve for x
   x = 410,597,947.47/16,668.89
6. Step 6: Final answer
   x = 24,632.59