Finding the Fourth Proportional to 16,935.82, 25,419.33 and 8,621.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,935.82 : 25,419.33 = 8,621.82 : x
2. Step 2: Convert to fraction form
   16,935.82/25,419.33 = 8,621.82/x
3. Step 3: Cross multiply
   16,935.82x = 25,419.33 × 8,621.82
4. Step 4: Simplify right side
   16,935.82x = 219,160,887.78
5. Step 5: Solve for x
   x = 219,160,887.78/16,935.82
6. Step 6: Final answer
   x = 12,940.67