Finding the Fourth Proportional to 17,109.92, 23,440.20 and 16,470.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,109.92 : 23,440.20 = 16,470.29 : x
2. Step 2: Convert to fraction form
   17,109.92/23,440.20 = 16,470.29/x
3. Step 3: Cross multiply
   17,109.92x = 23,440.20 × 16,470.29
4. Step 4: Simplify right side
   17,109.92x = 386,066,888.49
5. Step 5: Solve for x
   x = 386,066,888.49/17,109.92
6. Step 6: Final answer
   x = 22,563.92