Finding the Fourth Proportional to 16,930.50, 23,363.82 and 13,349.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,930.50 : 23,363.82 = 13,349.22 : x
2. Step 2: Convert to fraction form
   16,930.50/23,363.82 = 13,349.22/x
3. Step 3: Cross multiply
   16,930.50x = 23,363.82 × 13,349.22
4. Step 4: Simplify right side
   16,930.50x = 311,888,773.22
5. Step 5: Solve for x
   x = 311,888,773.22/16,930.50
6. Step 6: Final answer
   x = 18,421.71