Finding the Fourth Proportional to 17,160.78, 23,682.96 and 9,606.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,160.78 : 23,682.96 = 9,606.63 : x
2. Step 2: Convert to fraction form
   17,160.78/23,682.96 = 9,606.63/x
3. Step 3: Cross multiply
   17,160.78x = 23,682.96 × 9,606.63
4. Step 4: Simplify right side
   17,160.78x = 227,513,434.02
5. Step 5: Solve for x
   x = 227,513,434.02/17,160.78
6. Step 6: Final answer
   x = 13,257.76