Finding the Fourth Proportional to 12,744.35, 17,595.86 and 7,966.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,744.35 : 17,595.86 = 7,966.16 : x
2. Step 2: Convert to fraction form
   12,744.35/17,595.86 = 7,966.16/x
3. Step 3: Cross multiply
   12,744.35x = 17,595.86 × 7,966.16
4. Step 4: Simplify right side
   12,744.35x = 140,171,308.29
5. Step 5: Solve for x
   x = 140,171,308.29/12,744.35
6. Step 6: Final answer
   x = 10,998.71