Finding the Fourth Proportional to 10,796.13, 14,917.91 and 8,456.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,796.13 : 14,917.91 = 8,456.04 : x
2. Step 2: Convert to fraction form
   10,796.13/14,917.91 = 8,456.04/x
3. Step 3: Cross multiply
   10,796.13x = 14,917.91 × 8,456.04
4. Step 4: Simplify right side
   10,796.13x = 126,146,401.40
5. Step 5: Solve for x
   x = 126,146,401.40/10,796.13
6. Step 6: Final answer
   x = 11,684.41