Finding the Fourth Proportional to 17,081.30, 23,563.23 and 13,898.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,081.30 : 23,563.23 = 13,898.15 : x
2. Step 2: Convert to fraction form
   17,081.30/23,563.23 = 13,898.15/x
3. Step 3: Cross multiply
   17,081.30x = 23,563.23 × 13,898.15
4. Step 4: Simplify right side
   17,081.30x = 327,485,363.93
5. Step 5: Solve for x
   x = 327,485,363.93/17,081.30
6. Step 6: Final answer
   x = 19,172.15