Finding the Fourth Proportional to 17,172.79, 23,691.01 and 10,369.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,172.79 : 23,691.01 = 10,369.60 : x
2. Step 2: Convert to fraction form
   17,172.79/23,691.01 = 10,369.60/x
3. Step 3: Cross multiply
   17,172.79x = 23,691.01 × 10,369.60
4. Step 4: Simplify right side
   17,172.79x = 245,666,297.30
5. Step 5: Solve for x
   x = 245,666,297.30/17,172.79
6. Step 6: Final answer
   x = 14,305.56