Finding the Fourth Proportional to 16,639.56, 22,963.94 and 9,568.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,639.56 : 22,963.94 = 9,568.28 : x
2. Step 2: Convert to fraction form
   16,639.56/22,963.94 = 9,568.28/x
3. Step 3: Cross multiply
   16,639.56x = 22,963.94 × 9,568.28
4. Step 4: Simplify right side
   16,639.56x = 219,725,407.82
5. Step 5: Solve for x
   x = 219,725,407.82/16,639.56
6. Step 6: Final answer
   x = 13,205.00