Finding the Fourth Proportional to 16,579.96, 22,880.72 and 9,410.35

Step by Step Solution

1. Step 1: Write the proportion equation
   16,579.96 : 22,880.72 = 9,410.35 : x
2. Step 2: Convert to fraction form
   16,579.96/22,880.72 = 9,410.35/x
3. Step 3: Cross multiply
   16,579.96x = 22,880.72 × 9,410.35
4. Step 4: Simplify right side
   16,579.96x = 215,315,583.45
5. Step 5: Solve for x
   x = 215,315,583.45/16,579.96
6. Step 6: Final answer
   x = 12,986.50