Finding the Fourth Proportional to 12,833.37, 17,710.41 and 7,167.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,833.37 : 17,710.41 = 7,167.91 : x
2. Step 2: Convert to fraction form
   12,833.37/17,710.41 = 7,167.91/x
3. Step 3: Cross multiply
   12,833.37x = 17,710.41 × 7,167.91
4. Step 4: Simplify right side
   12,833.37x = 126,946,640.75
5. Step 5: Solve for x
   x = 126,946,640.75/12,833.37
6. Step 6: Final answer
   x = 9,891.92