Finding the Fourth Proportional to 16,836.27, 25,257.23 and 5,146.75

Step by Step Solution

1. Step 1: Write the proportion equation
   16,836.27 : 25,257.23 = 5,146.75 : x
2. Step 2: Convert to fraction form
   16,836.27/25,257.23 = 5,146.75/x
3. Step 3: Cross multiply
   16,836.27x = 25,257.23 × 5,146.75
4. Step 4: Simplify right side
   16,836.27x = 129,992,648.50
5. Step 5: Solve for x
   x = 129,992,648.50/16,836.27
6. Step 6: Final answer
   x = 7,720.99