Finding the Fourth Proportional to 33,105.88, 49,643.20 and 12,031.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.88 : 49,643.20 = 12,031.10 : x
2. Step 2: Convert to fraction form
   33,105.88/49,643.20 = 12,031.10/x
3. Step 3: Cross multiply
   33,105.88x = 49,643.20 × 12,031.10
4. Step 4: Simplify right side
   33,105.88x = 597,262,303.52
5. Step 5: Solve for x
   x = 597,262,303.52/33,105.88
6. Step 6: Final answer
   x = 18,040.97