Finding the Fourth Proportional to 17,015.18, 23,477.49 and 9,940.23

Step by Step Solution

1. Step 1: Write the proportion equation
   17,015.18 : 23,477.49 = 9,940.23 : x
2. Step 2: Convert to fraction form
   17,015.18/23,477.49 = 9,940.23/x
3. Step 3: Cross multiply
   17,015.18x = 23,477.49 × 9,940.23
4. Step 4: Simplify right side
   17,015.18x = 233,371,650.42
5. Step 5: Solve for x
   x = 233,371,650.42/17,015.18
6. Step 6: Final answer
   x = 13,715.50