Finding the Fourth Proportional to 33,327.10, 49,990.69 and 13,345.59

Step by Step Solution

1. Step 1: Write the proportion equation
   33,327.10 : 49,990.69 = 13,345.59 : x
2. Step 2: Convert to fraction form
   33,327.10/49,990.69 = 13,345.59/x
3. Step 3: Cross multiply
   33,327.10x = 49,990.69 × 13,345.59
4. Step 4: Simplify right side
   33,327.10x = 667,155,072.44
5. Step 5: Solve for x
   x = 667,155,072.44/33,327.10
6. Step 6: Final answer
   x = 20,018.40