Finding the Fourth Proportional to 12,264.30, 16,928.46 and 7,228.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,264.30 : 16,928.46 = 7,228.17 : x
2. Step 2: Convert to fraction form
   12,264.30/16,928.46 = 7,228.17/x
3. Step 3: Cross multiply
   12,264.30x = 16,928.46 × 7,228.17
4. Step 4: Simplify right side
   12,264.30x = 122,361,786.72
5. Step 5: Solve for x
   x = 122,361,786.72/12,264.30
6. Step 6: Final answer
   x = 9,977.07