Finding the Fourth Proportional to 17,369.51, 23,969.94 and 9,411.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,369.51 : 23,969.94 = 9,411.74 : x
2. Step 2: Convert to fraction form
   17,369.51/23,969.94 = 9,411.74/x
3. Step 3: Cross multiply
   17,369.51x = 23,969.94 × 9,411.74
4. Step 4: Simplify right side
   17,369.51x = 225,598,723.25
5. Step 5: Solve for x
   x = 225,598,723.25/17,369.51
6. Step 6: Final answer
   x = 12,988.21