Finding the Fourth Proportional to 33,150.12, 49,723.56 and 12,372

Step by Step Solution

1. Step 1: Write the proportion equation
   33,150.12 : 49,723.56 = 12,372 : x
2. Step 2: Convert to fraction form
   33,150.12/49,723.56 = 12,372/x
3. Step 3: Cross multiply
   33,150.12x = 49,723.56 × 12,372
4. Step 4: Simplify right side
   33,150.12x = 615,179,884.32
5. Step 5: Solve for x
   x = 615,179,884.32/33,150.12
6. Step 6: Final answer
   x = 18,557.40