Finding the Fourth Proportional to 21,496.64, 29,663.73 and 12,063.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,496.64 : 29,663.73 = 12,063.38 : x
2. Step 2: Convert to fraction form
   21,496.64/29,663.73 = 12,063.38/x
3. Step 3: Cross multiply
   21,496.64x = 29,663.73 × 12,063.38
4. Step 4: Simplify right side
   21,496.64x = 357,844,698.89
5. Step 5: Solve for x
   x = 357,844,698.89/21,496.64
6. Step 6: Final answer
   x = 16,646.54