Finding the Fourth Proportional to 15,896.96, 21,936.69 and 8,822.82

Step by Step Solution

1. Step 1: Write the proportion equation
   15,896.96 : 21,936.69 = 8,822.82 : x
2. Step 2: Convert to fraction form
   15,896.96/21,936.69 = 8,822.82/x
3. Step 3: Cross multiply
   15,896.96x = 21,936.69 × 8,822.82
4. Step 4: Simplify right side
   15,896.96x = 193,543,467.27
5. Step 5: Solve for x
   x = 193,543,467.27/15,896.96
6. Step 6: Final answer
   x = 12,174.88