Finding the Fourth Proportional to 33,105.63, 49,642.83 and 12,030.85

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.63 : 49,642.83 = 12,030.85 : x
2. Step 2: Convert to fraction form
   33,105.63/49,642.83 = 12,030.85/x
3. Step 3: Cross multiply
   33,105.63x = 49,642.83 × 12,030.85
4. Step 4: Simplify right side
   33,105.63x = 597,245,441.31
5. Step 5: Solve for x
   x = 597,245,441.31/33,105.63
6. Step 6: Final answer
   x = 18,040.60