Finding the Fourth Proportional to 10,570.20, 14,553.57 and 8,044.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,570.20 : 14,553.57 = 8,044.21 : x
2. Step 2: Convert to fraction form
   10,570.20/14,553.57 = 8,044.21/x
3. Step 3: Cross multiply
   10,570.20x = 14,553.57 × 8,044.21
4. Step 4: Simplify right side
   10,570.20x = 117,072,021.69
5. Step 5: Solve for x
   x = 117,072,021.69/10,570.20
6. Step 6: Final answer
   x = 11,075.67