Finding the Fourth Proportional to 16,613.56, 22,926.82 and 9,161.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,613.56 : 22,926.82 = 9,161.56 : x
2. Step 2: Convert to fraction form
   16,613.56/22,926.82 = 9,161.56/x
3. Step 3: Cross multiply
   16,613.56x = 22,926.82 × 9,161.56
4. Step 4: Simplify right side
   16,613.56x = 210,045,437.04
5. Step 5: Solve for x
   x = 210,045,437.04/16,613.56
6. Step 6: Final answer
   x = 12,643.01