Finding the Fourth Proportional to 10,851.41, 16,279.56 and 3,456.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,851.41 : 16,279.56 = 3,456.29 : x
2. Step 2: Convert to fraction form
   10,851.41/16,279.56 = 3,456.29/x
3. Step 3: Cross multiply
   10,851.41x = 16,279.56 × 3,456.29
4. Step 4: Simplify right side
   10,851.41x = 56,266,799.03
5. Step 5: Solve for x
   x = 56,266,799.03/10,851.41
6. Step 6: Final answer
   x = 5,185.21