Finding the Fourth Proportional to 33,682.25, 50,541.89 and 12,636.83

Step by Step Solution

1. Step 1: Write the proportion equation
   33,682.25 : 50,541.89 = 12,636.83 : x
2. Step 2: Convert to fraction form
   33,682.25/50,541.89 = 12,636.83/x
3. Step 3: Cross multiply
   33,682.25x = 50,541.89 × 12,636.83
4. Step 4: Simplify right side
   33,682.25x = 638,689,429.76
5. Step 5: Solve for x
   x = 638,689,429.76/33,682.25
6. Step 6: Final answer
   x = 18,962.19