Finding the Fourth Proportional to 33,090.32, 49,641.63 and 13,382.71

Step by Step Solution

1. Step 1: Write the proportion equation
   33,090.32 : 49,641.63 = 13,382.71 : x
2. Step 2: Convert to fraction form
   33,090.32/49,641.63 = 13,382.71/x
3. Step 3: Cross multiply
   33,090.32x = 49,641.63 × 13,382.71
4. Step 4: Simplify right side
   33,090.32x = 664,339,538.22
5. Step 5: Solve for x
   x = 664,339,538.22/33,090.32
6. Step 6: Final answer
   x = 20,076.55