Finding the Fourth Proportional to 17,451.47, 26,151.69 and 10,857.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,451.47 : 26,151.69 = 10,857.62 : x
2. Step 2: Convert to fraction form
   17,451.47/26,151.69 = 10,857.62/x
3. Step 3: Cross multiply
   17,451.47x = 26,151.69 × 10,857.62
4. Step 4: Simplify right side
   17,451.47x = 283,945,112.38
5. Step 5: Solve for x
   x = 283,945,112.38/17,451.47
6. Step 6: Final answer
   x = 16,270.56