Finding the Fourth Proportional to 17,451, 26,150.94 and 10,857.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,451 : 26,150.94 = 10,857.12 : x
2. Step 2: Convert to fraction form
   17,451/26,150.94 = 10,857.12/x
3. Step 3: Cross multiply
   17,451x = 26,150.94 × 10,857.12
4. Step 4: Simplify right side
   17,451x = 283,923,893.69
5. Step 5: Solve for x
   x = 283,923,893.69/17,451
6. Step 6: Final answer
   x = 16,269.78