Finding the Fourth Proportional to 21,061.10, 29,063.96 and 11,629.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,061.10 : 29,063.96 = 11,629.67 : x
2. Step 2: Convert to fraction form
   21,061.10/29,063.96 = 11,629.67/x
3. Step 3: Cross multiply
   21,061.10x = 29,063.96 × 11,629.67
4. Step 4: Simplify right side
   21,061.10x = 338,004,060.23
5. Step 5: Solve for x
   x = 338,004,060.23/21,061.10
6. Step 6: Final answer
   x = 16,048.74