Finding the Fourth Proportional to 16,441.41, 24,658.89 and 13,685.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,441.41 : 24,658.89 = 13,685.79 : x
2. Step 2: Convert to fraction form
   16,441.41/24,658.89 = 13,685.79/x
3. Step 3: Cross multiply
   16,441.41x = 24,658.89 × 13,685.79
4. Step 4: Simplify right side
   16,441.41x = 337,476,390.17
5. Step 5: Solve for x
   x = 337,476,390.17/16,441.41
6. Step 6: Final answer
   x = 20,526.00