Finding the Fourth Proportional to 13,636.17, 18,827.22 and 10,443.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,636.17 : 18,827.22 = 10,443.83 : x
2. Step 2: Convert to fraction form
   13,636.17/18,827.22 = 10,443.83/x
3. Step 3: Cross multiply
   13,636.17x = 18,827.22 × 10,443.83
4. Step 4: Simplify right side
   13,636.17x = 196,628,190.92
5. Step 5: Solve for x
   x = 196,628,190.92/13,636.17
6. Step 6: Final answer
   x = 14,419.61