Finding the Fourth Proportional to 17,109.30, 23,894.70 and 17,109.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,109.30 : 23,894.70 = 17,109.30 : x
2. Step 2: Convert to fraction form
   17,109.30/23,894.70 = 17,109.30/x
3. Step 3: Cross multiply
   17,109.30x = 23,894.70 × 17,109.30
4. Step 4: Simplify right side
   17,109.30x = 408,821,590.71
5. Step 5: Solve for x
   x = 408,821,590.71/17,109.30
6. Step 6: Final answer
   x = 23,894.70