Finding the Fourth Proportional to 16,284.31, 22,468.68 and 9,914.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,284.31 : 22,468.68 = 9,914.22 : x
2. Step 2: Convert to fraction form
   16,284.31/22,468.68 = 9,914.22/x
3. Step 3: Cross multiply
   16,284.31x = 22,468.68 × 9,914.22
4. Step 4: Simplify right side
   16,284.31x = 222,759,436.63
5. Step 5: Solve for x
   x = 222,759,436.63/16,284.31
6. Step 6: Final answer
   x = 13,679.39