Finding the Fourth Proportional to 19,036.86, 28,425.69 and 16,797

Step by Step Solution

1. Step 1: Write the proportion equation
   19,036.86 : 28,425.69 = 16,797 : x
2. Step 2: Convert to fraction form
   19,036.86/28,425.69 = 16,797/x
3. Step 3: Cross multiply
   19,036.86x = 28,425.69 × 16,797
4. Step 4: Simplify right side
   19,036.86x = 477,466,314.93
5. Step 5: Solve for x
   x = 477,466,314.93/19,036.86
6. Step 6: Final answer
   x = 25,081.15