Finding the Fourth Proportional to 33,150.87, 49,724.69 and 12,372.75

Step by Step Solution

1. Step 1: Write the proportion equation
   33,150.87 : 49,724.69 = 12,372.75 : x
2. Step 2: Convert to fraction form
   33,150.87/49,724.69 = 12,372.75/x
3. Step 3: Cross multiply
   33,150.87x = 49,724.69 × 12,372.75
4. Step 4: Simplify right side
   33,150.87x = 615,231,096.33
5. Step 5: Solve for x
   x = 615,231,096.33/33,150.87
6. Step 6: Final answer
   x = 18,558.52