Finding the Fourth Proportional to 12,487.10, 17,208.50 and 8,944.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,487.10 : 17,208.50 = 8,944.16 : x
2. Step 2: Convert to fraction form
   12,487.10/17,208.50 = 8,944.16/x
3. Step 3: Cross multiply
   12,487.10x = 17,208.50 × 8,944.16
4. Step 4: Simplify right side
   12,487.10x = 153,915,446.60
5. Step 5: Solve for x
   x = 153,915,446.60/12,487.10
6. Step 6: Final answer
   x = 12,325.96