Finding the Fourth Proportional to 17,119.92, 23,665.32 and 16,422.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,119.92 : 23,665.32 = 16,422.24 : x
2. Step 2: Convert to fraction form
   17,119.92/23,665.32 = 16,422.24/x
3. Step 3: Cross multiply
   17,119.92x = 23,665.32 × 16,422.24
4. Step 4: Simplify right side
   17,119.92x = 388,637,564.72
5. Step 5: Solve for x
   x = 388,637,564.72/17,119.92
6. Step 6: Final answer
   x = 22,700.90