Finding the Fourth Proportional to 16,816.89, 25,186.46 and 16,233.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,816.89 : 25,186.46 = 16,233.69 : x
2. Step 2: Convert to fraction form
   16,816.89/25,186.46 = 16,233.69/x
3. Step 3: Cross multiply
   16,816.89x = 25,186.46 × 16,233.69
4. Step 4: Simplify right side
   16,816.89x = 408,869,102.67
5. Step 5: Solve for x
   x = 408,869,102.67/16,816.89
6. Step 6: Final answer
   x = 24,313.00