Finding the Fourth Proportional to 33,174, 49,760.69 and 13,447.87

Step by Step Solution

1. Step 1: Write the proportion equation
   33,174 : 49,760.69 = 13,447.87 : x
2. Step 2: Convert to fraction form
   33,174/49,760.69 = 13,447.87/x
3. Step 3: Cross multiply
   33,174x = 49,760.69 × 13,447.87
4. Step 4: Simplify right side
   33,174x = 669,175,290.23
5. Step 5: Solve for x
   x = 669,175,290.23/33,174
6. Step 6: Final answer
   x = 20,171.68