Finding the Fourth Proportional to 33,429.72, 50,147.91 and 12,375.39

Step by Step Solution

1. Step 1: Write the proportion equation
   33,429.72 : 50,147.91 = 12,375.39 : x
2. Step 2: Convert to fraction form
   33,429.72/50,147.91 = 12,375.39/x
3. Step 3: Cross multiply
   33,429.72x = 50,147.91 × 12,375.39
4. Step 4: Simplify right side
   33,429.72x = 620,599,943.93
5. Step 5: Solve for x
   x = 620,599,943.93/33,429.72
6. Step 6: Final answer
   x = 18,564.32