Finding the Fourth Proportional to 33,321.30, 49,980.72 and 8,361.54

Step by Step Solution

1. Step 1: Write the proportion equation
   33,321.30 : 49,980.72 = 8,361.54 : x
2. Step 2: Convert to fraction form
   33,321.30/49,980.72 = 8,361.54/x
3. Step 3: Cross multiply
   33,321.30x = 49,980.72 × 8,361.54
4. Step 4: Simplify right side
   33,321.30x = 417,915,789.51
5. Step 5: Solve for x
   x = 417,915,789.51/33,321.30
6. Step 6: Final answer
   x = 12,542.00