Finding the Fourth Proportional to 25,969.86, 35,838.57 and 19,671.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,969.86 : 35,838.57 = 19,671.30 : x
2. Step 2: Convert to fraction form
   25,969.86/35,838.57 = 19,671.30/x
3. Step 3: Cross multiply
   25,969.86x = 35,838.57 × 19,671.30
4. Step 4: Simplify right side
   25,969.86x = 704,991,262.04
5. Step 5: Solve for x
   x = 704,991,262.04/25,969.86
6. Step 6: Final answer
   x = 27,146.52