Finding the Fourth Proportional to 17,110.41, 23,578.71 and 13,081.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,110.41 : 23,578.71 = 13,081.79 : x
2. Step 2: Convert to fraction form
   17,110.41/23,578.71 = 13,081.79/x
3. Step 3: Cross multiply
   17,110.41x = 23,578.71 × 13,081.79
4. Step 4: Simplify right side
   17,110.41x = 308,451,614.80
5. Step 5: Solve for x
   x = 308,451,614.80/17,110.41
6. Step 6: Final answer
   x = 18,027.13