Finding the Fourth Proportional to 16,155.36, 22,298.81 and 10,489.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,155.36 : 22,298.81 = 10,489.82 : x
2. Step 2: Convert to fraction form
   16,155.36/22,298.81 = 10,489.82/x
3. Step 3: Cross multiply
   16,155.36x = 22,298.81 × 10,489.82
4. Step 4: Simplify right side
   16,155.36x = 233,910,339.17
5. Step 5: Solve for x
   x = 233,910,339.17/16,155.36
6. Step 6: Final answer
   x = 14,478.81