Finding the Fourth Proportional to 30,613.50, 42,245.82 and 17,186.22

Step by Step Solution

1. Step 1: Write the proportion equation
   30,613.50 : 42,245.82 = 17,186.22 : x
2. Step 2: Convert to fraction form
   30,613.50/42,245.82 = 17,186.22/x
3. Step 3: Cross multiply
   30,613.50x = 42,245.82 × 17,186.22
4. Step 4: Simplify right side
   30,613.50x = 726,045,956.60
5. Step 5: Solve for x
   x = 726,045,956.60/30,613.50
6. Step 6: Final answer
   x = 23,716.53