Finding the Fourth Proportional to 9,570.09, 13,206.69 and 5,321.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570.09 : 13,206.69 = 5,321.03 : x
2. Step 2: Convert to fraction form
   9,570.09/13,206.69 = 5,321.03/x
3. Step 3: Cross multiply
   9,570.09x = 13,206.69 × 5,321.03
4. Step 4: Simplify right side
   9,570.09x = 70,273,127.66
5. Step 5: Solve for x
   x = 70,273,127.66/9,570.09
6. Step 6: Final answer
   x = 7,342.99