Finding the Fourth Proportional to 12,996.25, 19,496.78 and 4,113.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,996.25 : 19,496.78 = 4,113.82 : x
2. Step 2: Convert to fraction form
   12,996.25/19,496.78 = 4,113.82/x
3. Step 3: Cross multiply
   12,996.25x = 19,496.78 × 4,113.82
4. Step 4: Simplify right side
   12,996.25x = 80,206,243.50
5. Step 5: Solve for x
   x = 80,206,243.50/12,996.25
6. Step 6: Final answer
   x = 6,171.49