Finding the Fourth Proportional to 21,065.38, 29,073.94 and 12,568.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,065.38 : 29,073.94 = 12,568.02 : x
2. Step 2: Convert to fraction form
   21,065.38/29,073.94 = 12,568.02/x
3. Step 3: Cross multiply
   21,065.38x = 29,073.94 × 12,568.02
4. Step 4: Simplify right side
   21,065.38x = 365,401,859.40
5. Step 5: Solve for x
   x = 365,401,859.40/21,065.38
6. Step 6: Final answer
   x = 17,346.08