Finding the Fourth Proportional to 33,146.38, 49,703.73 and 13,408.30

Step by Step Solution

1. Step 1: Write the proportion equation
   33,146.38 : 49,703.73 = 13,408.30 : x
2. Step 2: Convert to fraction form
   33,146.38/49,703.73 = 13,408.30/x
3. Step 3: Cross multiply
   33,146.38x = 49,703.73 × 13,408.30
4. Step 4: Simplify right side
   33,146.38x = 666,442,522.96
5. Step 5: Solve for x
   x = 666,442,522.96/33,146.38
6. Step 6: Final answer
   x = 20,106.04