Finding the Fourth Proportional to 17,369.37, 23,969.72 and 9,411.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,369.37 : 23,969.72 = 9,411.53 : x
2. Step 2: Convert to fraction form
   17,369.37/23,969.72 = 9,411.53/x
3. Step 3: Cross multiply
   17,369.37x = 23,969.72 × 9,411.53
4. Step 4: Simplify right side
   17,369.37x = 225,591,642.55
5. Step 5: Solve for x
   x = 225,591,642.55/17,369.37
6. Step 6: Final answer
   x = 12,987.90