Finding the Fourth Proportional to 33,078.28, 49,617.18 and 13,356.55

Step by Step Solution

1. Step 1: Write the proportion equation
   33,078.28 : 49,617.18 = 13,356.55 : x
2. Step 2: Convert to fraction form
   33,078.28/49,617.18 = 13,356.55/x
3. Step 3: Cross multiply
   33,078.28x = 49,617.18 × 13,356.55
4. Step 4: Simplify right side
   33,078.28x = 662,714,345.53
5. Step 5: Solve for x
   x = 662,714,345.53/33,078.28
6. Step 6: Final answer
   x = 20,034.73