Finding the Fourth Proportional to 16,944.72, 25,420.46 and 5,257.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,944.72 : 25,420.46 = 5,257.50 : x
2. Step 2: Convert to fraction form
   16,944.72/25,420.46 = 5,257.50/x
3. Step 3: Cross multiply
   16,944.72x = 25,420.46 × 5,257.50
4. Step 4: Simplify right side
   16,944.72x = 133,648,042.16
5. Step 5: Solve for x
   x = 133,648,042.16/16,944.72
6. Step 6: Final answer
   x = 7,887.30