Finding the Fourth Proportional to 16,298.80, 22,491.57 and 10,009.96

Step by Step Solution

1. Step 1: Write the proportion equation
   16,298.80 : 22,491.57 = 10,009.96 : x
2. Step 2: Convert to fraction form
   16,298.80/22,491.57 = 10,009.96/x
3. Step 3: Cross multiply
   16,298.80x = 22,491.57 × 10,009.96
4. Step 4: Simplify right side
   16,298.80x = 225,139,716.04
5. Step 5: Solve for x
   x = 225,139,716.04/16,298.80
6. Step 6: Final answer
   x = 13,813.27