Finding the Fourth Proportional to 33,078.09, 49,618.77 and 13,354.20

Step by Step Solution

1. Step 1: Write the proportion equation
   33,078.09 : 49,618.77 = 13,354.20 : x
2. Step 2: Convert to fraction form
   33,078.09/49,618.77 = 13,354.20/x
3. Step 3: Cross multiply
   33,078.09x = 49,618.77 × 13,354.20
4. Step 4: Simplify right side
   33,078.09x = 662,618,978.33
5. Step 5: Solve for x
   x = 662,618,978.33/33,078.09
6. Step 6: Final answer
   x = 20,031.96