Finding the Fourth Proportional to 12,280.16, 16,945.61 and 7,244.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.16 : 16,945.61 = 7,244.59 : x
2. Step 2: Convert to fraction form
   12,280.16/16,945.61 = 7,244.59/x
3. Step 3: Cross multiply
   12,280.16x = 16,945.61 × 7,244.59
4. Step 4: Simplify right side
   12,280.16x = 122,763,949.94
5. Step 5: Solve for x
   x = 122,763,949.94/12,280.16
6. Step 6: Final answer
   x = 9,996.94