Finding the Fourth Proportional to 8,945.34, 13,426.83 and 6,716.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.34 : 13,426.83 = 6,716.43 : x
2. Step 2: Convert to fraction form
   8,945.34/13,426.83 = 6,716.43/x
3. Step 3: Cross multiply
   8,945.34x = 13,426.83 × 6,716.43
4. Step 4: Simplify right side
   8,945.34x = 90,180,363.82
5. Step 5: Solve for x
   x = 90,180,363.82/8,945.34
6. Step 6: Final answer
   x = 10,081.27