Finding the Fourth Proportional to 17,958.89, 24,782.09 and 10,404.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,958.89 : 24,782.09 = 10,404.60 : x
2. Step 2: Convert to fraction form
   17,958.89/24,782.09 = 10,404.60/x
3. Step 3: Cross multiply
   17,958.89x = 24,782.09 × 10,404.60
4. Step 4: Simplify right side
   17,958.89x = 257,847,681.59
5. Step 5: Solve for x
   x = 257,847,681.59/17,958.89
6. Step 6: Final answer
   x = 14,357.67