Finding the Fourth Proportional to 17,856, 24,607.31 and 13,077.41

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856 : 24,607.31 = 13,077.41 : x
2. Step 2: Convert to fraction form
   17,856/24,607.31 = 13,077.41/x
3. Step 3: Cross multiply
   17,856x = 24,607.31 × 13,077.41
4. Step 4: Simplify right side
   17,856x = 321,799,693.44
5. Step 5: Solve for x
   x = 321,799,693.44/17,856
6. Step 6: Final answer
   x = 18,021.94