Finding the Fourth Proportional to 12,833.25, 17,710.17 and 7,167.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,833.25 : 17,710.17 = 7,167.69 : x
2. Step 2: Convert to fraction form
   12,833.25/17,710.17 = 7,167.69/x
3. Step 3: Cross multiply
   12,833.25x = 17,710.17 × 7,167.69
4. Step 4: Simplify right side
   12,833.25x = 126,941,008.41
5. Step 5: Solve for x
   x = 126,941,008.41/12,833.25
6. Step 6: Final answer
   x = 9,891.57