Finding the Fourth Proportional to 33,390.77, 50,111.54 and 12,350.71

Step by Step Solution

1. Step 1: Write the proportion equation
   33,390.77 : 50,111.54 = 12,350.71 : x
2. Step 2: Convert to fraction form
   33,390.77/50,111.54 = 12,350.71/x
3. Step 3: Cross multiply
   33,390.77x = 50,111.54 × 12,350.71
4. Step 4: Simplify right side
   33,390.77x = 618,912,911.16
5. Step 5: Solve for x
   x = 618,912,911.16/33,390.77
6. Step 6: Final answer
   x = 18,535.45