Finding the Fourth Proportional to 12,760.62, 17,609.45 and 7,456.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,760.62 : 17,609.45 = 7,456.34 : x
2. Step 2: Convert to fraction form
   12,760.62/17,609.45 = 7,456.34/x
3. Step 3: Cross multiply
   12,760.62x = 17,609.45 × 7,456.34
4. Step 4: Simplify right side
   12,760.62x = 131,301,921.08
5. Step 5: Solve for x
   x = 131,301,921.08/12,760.62
6. Step 6: Final answer
   x = 10,289.62