Finding the Fourth Proportional to 11,851.30, 17,778.77 and 4,456.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,851.30 : 17,778.77 = 4,456.27 : x
2. Step 2: Convert to fraction form
   11,851.30/17,778.77 = 4,456.27/x
3. Step 3: Cross multiply
   11,851.30x = 17,778.77 × 4,456.27
4. Step 4: Simplify right side
   11,851.30x = 79,227,016.04
5. Step 5: Solve for x
   x = 79,227,016.04/11,851.30
6. Step 6: Final answer
   x = 6,685.09