Finding the Fourth Proportional to 33,607.58, 50,431 and 12,562.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,607.58 : 50,431 = 12,562.12 : x
2. Step 2: Convert to fraction form
   33,607.58/50,431 = 12,562.12/x
3. Step 3: Cross multiply
   33,607.58x = 50,431 × 12,562.12
4. Step 4: Simplify right side
   33,607.58x = 633,520,273.72
5. Step 5: Solve for x
   x = 633,520,273.72/33,607.58
6. Step 6: Final answer
   x = 18,850.52