Finding the Fourth Proportional to 17,674.89, 24,367.07 and 12,885.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,674.89 : 24,367.07 = 12,885.36 : x
2. Step 2: Convert to fraction form
   17,674.89/24,367.07 = 12,885.36/x
3. Step 3: Cross multiply
   17,674.89x = 24,367.07 × 12,885.36
4. Step 4: Simplify right side
   17,674.89x = 313,978,404.67
5. Step 5: Solve for x
   x = 313,978,404.67/17,674.89
6. Step 6: Final answer
   x = 17,764.09