Finding the Fourth Proportional to 12,794, 17,655.72 and 7,488.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,794 : 17,655.72 = 7,488.56 : x
2. Step 2: Convert to fraction form
   12,794/17,655.72 = 7,488.56/x
3. Step 3: Cross multiply
   12,794x = 17,655.72 × 7,488.56
4. Step 4: Simplify right side
   12,794x = 132,215,918.56
5. Step 5: Solve for x
   x = 132,215,918.56/12,794
6. Step 6: Final answer
   x = 10,334.21