Finding the Fourth Proportional to 17,399.18, 23,971.46 and 16,569.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,399.18 : 23,971.46 = 16,569.74 : x
2. Step 2: Convert to fraction form
   17,399.18/23,971.46 = 16,569.74/x
3. Step 3: Cross multiply
   17,399.18x = 23,971.46 × 16,569.74
4. Step 4: Simplify right side
   17,399.18x = 397,200,859.62
5. Step 5: Solve for x
   x = 397,200,859.62/17,399.18
6. Step 6: Final answer
   x = 22,828.71