Finding the Fourth Proportional to 33,142.10, 49,683.76 and 12,078.22

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.10 : 49,683.76 = 12,078.22 : x
2. Step 2: Convert to fraction form
   33,142.10/49,683.76 = 12,078.22/x
3. Step 3: Cross multiply
   33,142.10x = 49,683.76 × 12,078.22
4. Step 4: Simplify right side
   33,142.10x = 600,091,383.71
5. Step 5: Solve for x
   x = 600,091,383.71/33,142.10
6. Step 6: Final answer
   x = 18,106.62