Finding the Fourth Proportional to 9,609.21, 13,260.69 and 5,360.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609.21 : 13,260.69 = 5,360.27 : x
2. Step 2: Convert to fraction form
   9,609.21/13,260.69 = 5,360.27/x
3. Step 3: Cross multiply
   9,609.21x = 13,260.69 × 5,360.27
4. Step 4: Simplify right side
   9,609.21x = 71,080,911.94
5. Step 5: Solve for x
   x = 71,080,911.94/9,609.21
6. Step 6: Final answer
   x = 7,397.17