Finding the Fourth Proportional to 12,834.08, 17,710.89 and 7,168.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.08 : 17,710.89 = 7,168.47 : x
2. Step 2: Convert to fraction form
   12,834.08/17,710.89 = 7,168.47/x
3. Step 3: Cross multiply
   12,834.08x = 17,710.89 × 7,168.47
4. Step 4: Simplify right side
   12,834.08x = 126,959,890.34
5. Step 5: Solve for x
   x = 126,959,890.34/12,834.08
6. Step 6: Final answer
   x = 9,892.40