Finding the Fourth Proportional to 17,175.57, 23,661.83 and 16,142.22

Step by Step Solution

1. Step 1: Write the proportion equation
   17,175.57 : 23,661.83 = 16,142.22 : x
2. Step 2: Convert to fraction form
   17,175.57/23,661.83 = 16,142.22/x
3. Step 3: Cross multiply
   17,175.57x = 23,661.83 × 16,142.22
4. Step 4: Simplify right side
   17,175.57x = 381,954,384.75
5. Step 5: Solve for x
   x = 381,954,384.75/17,175.57
6. Step 6: Final answer
   x = 22,238.24