Finding the Fourth Proportional to 33,105.17, 49,642.20 and 12,030.35

Step by Step Solution

1. Step 1: Write the proportion equation
   33,105.17 : 49,642.20 = 12,030.35 : x
2. Step 2: Convert to fraction form
   33,105.17/49,642.20 = 12,030.35/x
3. Step 3: Cross multiply
   33,105.17x = 49,642.20 × 12,030.35
4. Step 4: Simplify right side
   33,105.17x = 597,212,980.62
5. Step 5: Solve for x
   x = 597,212,980.62/33,105.17
6. Step 6: Final answer
   x = 18,039.87