Finding the Fourth Proportional to 13,963.82, 20,945.99 and 5,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,963.82 : 20,945.99 = 5,196.96 : x
2. Step 2: Convert to fraction form
   13,963.82/20,945.99 = 5,196.96/x
3. Step 3: Cross multiply
   13,963.82x = 20,945.99 × 5,196.96
4. Step 4: Simplify right side
   13,963.82x = 108,855,485.18
5. Step 5: Solve for x
   x = 108,855,485.18/13,963.82
6. Step 6: Final answer
   x = 7,795.54