Finding the Fourth Proportional to 12,717.27, 17,550.86 and 7,053.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717.27 : 17,550.86 = 7,053.79 : x
2. Step 2: Convert to fraction form
   12,717.27/17,550.86 = 7,053.79/x
3. Step 3: Cross multiply
   12,717.27x = 17,550.86 × 7,053.79
4. Step 4: Simplify right side
   12,717.27x = 123,800,080.76
5. Step 5: Solve for x
   x = 123,800,080.76/12,717.27
6. Step 6: Final answer
   x = 9,734.80