Finding the Fourth Proportional to 33,142.05, 49,640.22 and 30,549.33

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.05 : 49,640.22 = 30,549.33 : x
2. Step 2: Convert to fraction form
   33,142.05/49,640.22 = 30,549.33/x
3. Step 3: Cross multiply
   33,142.05x = 49,640.22 × 30,549.33
4. Step 4: Simplify right side
   33,142.05x = 1,516,475,462.05
5. Step 5: Solve for x
   x = 1,516,475,462.05/33,142.05
6. Step 6: Final answer
   x = 45,756.84