Finding the Fourth Proportional to 21,061.09, 29,063.23 and 11,627.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,061.09 : 29,063.23 = 11,627.83 : x
2. Step 2: Convert to fraction form
   21,061.09/29,063.23 = 11,627.83/x
3. Step 3: Cross multiply
   21,061.09x = 29,063.23 × 11,627.83
4. Step 4: Simplify right side
   21,061.09x = 337,942,297.69
5. Step 5: Solve for x
   x = 337,942,297.69/21,061.09
6. Step 6: Final answer
   x = 16,045.81