Finding the Fourth Proportional to 16,216.82, 22,381.38 and 9,505.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216.82 : 22,381.38 = 9,505.10 : x
2. Step 2: Convert to fraction form
   16,216.82/22,381.38 = 9,505.10/x
3. Step 3: Cross multiply
   16,216.82x = 22,381.38 × 9,505.10
4. Step 4: Simplify right side
   16,216.82x = 212,737,255.04
5. Step 5: Solve for x
   x = 212,737,255.04/16,216.82
6. Step 6: Final answer
   x = 13,118.31