Finding the Fourth Proportional to 16,947.29, 25,436.57 and 8,633.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,947.29 : 25,436.57 = 8,633.25 : x
2. Step 2: Convert to fraction form
   16,947.29/25,436.57 = 8,633.25/x
3. Step 3: Cross multiply
   16,947.29x = 25,436.57 × 8,633.25
4. Step 4: Simplify right side
   16,947.29x = 219,600,224.79
5. Step 5: Solve for x
   x = 219,600,224.79/16,947.29
6. Step 6: Final answer
   x = 12,957.84