Finding the Fourth Proportional to 12,741.28, 17,582.37 and 7,076.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,741.28 : 17,582.37 = 7,076.39 : x
2. Step 2: Convert to fraction form
   12,741.28/17,582.37 = 7,076.39/x
3. Step 3: Cross multiply
   12,741.28x = 17,582.37 × 7,076.39
4. Step 4: Simplify right side
   12,741.28x = 124,419,619.33
5. Step 5: Solve for x
   x = 124,419,619.33/12,741.28
6. Step 6: Final answer
   x = 9,765.08