Finding the Fourth Proportional to 16,913.57, 25,367.39 and 5,226.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,913.57 : 25,367.39 = 5,226.89 : x
2. Step 2: Convert to fraction form
   16,913.57/25,367.39 = 5,226.89/x
3. Step 3: Cross multiply
   16,913.57x = 25,367.39 × 5,226.89
4. Step 4: Simplify right side
   16,913.57x = 132,592,530.98
5. Step 5: Solve for x
   x = 132,592,530.98/16,913.57
6. Step 6: Final answer
   x = 7,839.42