Finding the Fourth Proportional to 33,165.40, 49,743.15 and 12,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,165.40 : 49,743.15 = 12,100.50 : x
2. Step 2: Convert to fraction form
   33,165.40/49,743.15 = 12,100.50/x
3. Step 3: Cross multiply
   33,165.40x = 49,743.15 × 12,100.50
4. Step 4: Simplify right side
   33,165.40x = 601,916,986.58
5. Step 5: Solve for x
   x = 601,916,986.58/33,165.40
6. Step 6: Final answer
   x = 18,148.94