Finding the Fourth Proportional to 33,758.30, 50,638.68 and 12,696.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,758.30 : 50,638.68 = 12,696.42 : x
2. Step 2: Convert to fraction form
   33,758.30/50,638.68 = 12,696.42/x
3. Step 3: Cross multiply
   33,758.30x = 50,638.68 × 12,696.42
4. Step 4: Simplify right side
   33,758.30x = 642,929,949.53
5. Step 5: Solve for x
   x = 642,929,949.53/33,758.30
6. Step 6: Final answer
   x = 19,045.09