Finding the Fourth Proportional to 33,638.38, 46,426.42 and 19,499.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,638.38 : 46,426.42 = 19,499.42 : x
2. Step 2: Convert to fraction form
   33,638.38/46,426.42 = 19,499.42/x
3. Step 3: Cross multiply
   33,638.38x = 46,426.42 × 19,499.42
4. Step 4: Simplify right side
   33,638.38x = 905,288,262.68
5. Step 5: Solve for x
   x = 905,288,262.68/33,638.38
6. Step 6: Final answer
   x = 26,912.36