Finding the Fourth Proportional to 33,429.98, 50,146.13 and 12,375.32

Step by Step Solution

1. Step 1: Write the proportion equation
   33,429.98 : 50,146.13 = 12,375.32 : x
2. Step 2: Convert to fraction form
   33,429.98/50,146.13 = 12,375.32/x
3. Step 3: Cross multiply
   33,429.98x = 50,146.13 × 12,375.32
4. Step 4: Simplify right side
   33,429.98x = 620,574,185.72
5. Step 5: Solve for x
   x = 620,574,185.72/33,429.98
6. Step 6: Final answer
   x = 18,563.40