Finding the Fourth Proportional to 17,147, 23,662.86 and 9,696.44

Step by Step Solution

1. Step 1: Write the proportion equation
   17,147 : 23,662.86 = 9,696.44 : x
2. Step 2: Convert to fraction form
   17,147/23,662.86 = 9,696.44/x
3. Step 3: Cross multiply
   17,147x = 23,662.86 × 9,696.44
4. Step 4: Simplify right side
   17,147x = 229,445,502.22
5. Step 5: Solve for x
   x = 229,445,502.22/17,147
6. Step 6: Final answer
   x = 13,381.09