Finding the Fourth Proportional to 17,084.50, 23,571.13 and 13,488.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,084.50 : 23,571.13 = 13,488.10 : x
2. Step 2: Convert to fraction form
   17,084.50/23,571.13 = 13,488.10/x
3. Step 3: Cross multiply
   17,084.50x = 23,571.13 × 13,488.10
4. Step 4: Simplify right side
   17,084.50x = 317,929,758.55
5. Step 5: Solve for x
   x = 317,929,758.55/17,084.50
6. Step 6: Final answer
   x = 18,609.25