Finding the Fourth Proportional to 16,613.46, 22,920.72 and 10,958.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,613.46 : 22,920.72 = 10,958.82 : x
2. Step 2: Convert to fraction form
   16,613.46/22,920.72 = 10,958.82/x
3. Step 3: Cross multiply
   16,613.46x = 22,920.72 × 10,958.82
4. Step 4: Simplify right side
   16,613.46x = 251,184,044.75
5. Step 5: Solve for x
   x = 251,184,044.75/16,613.46
6. Step 6: Final answer
   x = 15,119.31