Finding the Fourth Proportional to 12,869.26, 17,760.39 and 7,491.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,869.26 : 17,760.39 = 7,491.82 : x
2. Step 2: Convert to fraction form
   12,869.26/17,760.39 = 7,491.82/x
3. Step 3: Cross multiply
   12,869.26x = 17,760.39 × 7,491.82
4. Step 4: Simplify right side
   12,869.26x = 133,057,645.01
5. Step 5: Solve for x
   x = 133,057,645.01/12,869.26
6. Step 6: Final answer
   x = 10,339.18