Finding the Fourth Proportional to 12,043.73, 16,636.24 and 9,245.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,043.73 : 16,636.24 = 9,245.69 : x
2. Step 2: Convert to fraction form
   12,043.73/16,636.24 = 9,245.69/x
3. Step 3: Cross multiply
   12,043.73x = 16,636.24 × 9,245.69
4. Step 4: Simplify right side
   12,043.73x = 153,813,411.51
5. Step 5: Solve for x
   x = 153,813,411.51/12,043.73
6. Step 6: Final answer
   x = 12,771.24