Finding the Fourth Proportional to 12,834.68, 17,710.72 and 7,168.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.68 : 17,710.72 = 7,168.66 : x
2. Step 2: Convert to fraction form
   12,834.68/17,710.72 = 7,168.66/x
3. Step 3: Cross multiply
   12,834.68x = 17,710.72 × 7,168.66
4. Step 4: Simplify right side
   12,834.68x = 126,962,067.84
5. Step 5: Solve for x
   x = 126,962,067.84/12,834.68
6. Step 6: Final answer
   x = 9,892.11