Finding the Fourth Proportional to 16,910.67, 25,370.06 and 5,223.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,910.67 : 25,370.06 = 5,223.89 : x
2. Step 2: Convert to fraction form
   16,910.67/25,370.06 = 5,223.89/x
3. Step 3: Cross multiply
   16,910.67x = 25,370.06 × 5,223.89
4. Step 4: Simplify right side
   16,910.67x = 132,530,469.42
5. Step 5: Solve for x
   x = 132,530,469.42/16,910.67
6. Step 6: Final answer
   x = 7,837.09