Finding the Fourth Proportional to 17,369.48, 23,969.86 and 9,411.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,369.48 : 23,969.86 = 9,411.70 : x
2. Step 2: Convert to fraction form
   17,369.48/23,969.86 = 9,411.70/x
3. Step 3: Cross multiply
   17,369.48x = 23,969.86 × 9,411.70
4. Step 4: Simplify right side
   17,369.48x = 225,597,225.25
5. Step 5: Solve for x
   x = 225,597,225.25/17,369.48
6. Step 6: Final answer
   x = 12,988.14