Finding the Fourth Proportional to 16,964.78, 25,447.26 and 5,118.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,964.78 : 25,447.26 = 5,118.59 : x
2. Step 2: Convert to fraction form
   16,964.78/25,447.26 = 5,118.59/x
3. Step 3: Cross multiply
   16,964.78x = 25,447.26 × 5,118.59
4. Step 4: Simplify right side
   16,964.78x = 130,254,173.38
5. Step 5: Solve for x
   x = 130,254,173.38/16,964.78
6. Step 6: Final answer
   x = 7,677.92