Finding the Fourth Proportional to 17,025, 25,518.56 and 12,851.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,025 : 25,518.56 = 12,851.47 : x
2. Step 2: Convert to fraction form
   17,025/25,518.56 = 12,851.47/x
3. Step 3: Cross multiply
   17,025x = 25,518.56 × 12,851.47
4. Step 4: Simplify right side
   17,025x = 327,951,008.28
5. Step 5: Solve for x
   x = 327,951,008.28/17,025
6. Step 6: Final answer
   x = 19,262.91