Finding the Fourth Proportional to 17,736.57, 24,480.73 and 10,661.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.57 : 24,480.73 = 10,661.63 : x
2. Step 2: Convert to fraction form
   17,736.57/24,480.73 = 10,661.63/x
3. Step 3: Cross multiply
   17,736.57x = 24,480.73 × 10,661.63
4. Step 4: Simplify right side
   17,736.57x = 261,004,376.31
5. Step 5: Solve for x
   x = 261,004,376.31/17,736.57
6. Step 6: Final answer
   x = 14,715.61