Finding the Fourth Proportional to 12,280.72, 16,949.43 and 7,246.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.72 : 16,949.43 = 7,246.18 : x
2. Step 2: Convert to fraction form
   12,280.72/16,949.43 = 7,246.18/x
3. Step 3: Cross multiply
   12,280.72x = 16,949.43 × 7,246.18
4. Step 4: Simplify right side
   12,280.72x = 122,818,620.68
5. Step 5: Solve for x
   x = 122,818,620.68/12,280.72
6. Step 6: Final answer
   x = 10,000.93