Finding the Fourth Proportional to 16,967.46, 25,447.12 and 5,118.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,967.46 : 25,447.12 = 5,118.78 : x
2. Step 2: Convert to fraction form
   16,967.46/25,447.12 = 5,118.78/x
3. Step 3: Cross multiply
   16,967.46x = 25,447.12 × 5,118.78
4. Step 4: Simplify right side
   16,967.46x = 130,258,208.91
5. Step 5: Solve for x
   x = 130,258,208.91/16,967.46
6. Step 6: Final answer
   x = 7,676.94