Finding the Fourth Proportional to 16,287.81, 22,474.56 and 9,910.95

Step by Step Solution

1. Step 1: Write the proportion equation
   16,287.81 : 22,474.56 = 9,910.95 : x
2. Step 2: Convert to fraction form
   16,287.81/22,474.56 = 9,910.95/x
3. Step 3: Cross multiply
   16,287.81x = 22,474.56 × 9,910.95
4. Step 4: Simplify right side
   16,287.81x = 222,744,240.43
5. Step 5: Solve for x
   x = 222,744,240.43/16,287.81
6. Step 6: Final answer
   x = 13,675.52