Finding the Fourth Proportional to 25,196.86, 34,764.45 and 16,249.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,196.86 : 34,764.45 = 16,249.50 : x
2. Step 2: Convert to fraction form
   25,196.86/34,764.45 = 16,249.50/x
3. Step 3: Cross multiply
   25,196.86x = 34,764.45 × 16,249.50
4. Step 4: Simplify right side
   25,196.86x = 564,904,930.28
5. Step 5: Solve for x
   x = 564,904,930.28/25,196.86
6. Step 6: Final answer
   x = 22,419.66