Finding the Fourth Proportional to 12,834.09, 17,710.74 and 7,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.09 : 17,710.74 = 7,168.50 : x
2. Step 2: Convert to fraction form
   12,834.09/17,710.74 = 7,168.50/x
3. Step 3: Cross multiply
   12,834.09x = 17,710.74 × 7,168.50
4. Step 4: Simplify right side
   12,834.09x = 126,959,439.69
5. Step 5: Solve for x
   x = 126,959,439.69/12,834.09
6. Step 6: Final answer
   x = 9,892.36