Finding the Fourth Proportional to 8,452.72, 12,679.22 and 2,609.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,452.72 : 12,679.22 = 2,609.34 : x
2. Step 2: Convert to fraction form
   8,452.72/12,679.22 = 2,609.34/x
3. Step 3: Cross multiply
   8,452.72x = 12,679.22 × 2,609.34
4. Step 4: Simplify right side
   8,452.72x = 33,084,395.91
5. Step 5: Solve for x
   x = 33,084,395.91/8,452.72
6. Step 6: Final answer
   x = 3,914.05