Finding the Fourth Proportional to 17,729.99, 24,433.71 and 12,685.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,729.99 : 24,433.71 = 12,685.46 : x
2. Step 2: Convert to fraction form
   17,729.99/24,433.71 = 12,685.46/x
3. Step 3: Cross multiply
   17,729.99x = 24,433.71 × 12,685.46
4. Step 4: Simplify right side
   17,729.99x = 309,952,850.86
5. Step 5: Solve for x
   x = 309,952,850.86/17,729.99
6. Step 6: Final answer
   x = 17,481.84