Finding the Fourth Proportional to 16,209, 24,324.90 and 5,821.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,209 : 24,324.90 = 5,821.08 : x
2. Step 2: Convert to fraction form
   16,209/24,324.90 = 5,821.08/x
3. Step 3: Cross multiply
   16,209x = 24,324.90 × 5,821.08
4. Step 4: Simplify right side
   16,209x = 141,597,188.89
5. Step 5: Solve for x
   x = 141,597,188.89/16,209
6. Step 6: Final answer
   x = 8,735.71