Finding the Fourth Proportional to 33,103.51, 49,639.61 and 12,028.86

Step by Step Solution

1. Step 1: Write the proportion equation
   33,103.51 : 49,639.61 = 12,028.86 : x
2. Step 2: Convert to fraction form
   33,103.51/49,639.61 = 12,028.86/x
3. Step 3: Cross multiply
   33,103.51x = 49,639.61 × 12,028.86
4. Step 4: Simplify right side
   33,103.51x = 597,107,859.00
5. Step 5: Solve for x
   x = 597,107,859.00/33,103.51
6. Step 6: Final answer
   x = 18,037.60