Finding the Fourth Proportional to 33,056.68, 49,584.78 and 13,321.27

Step by Step Solution

1. Step 1: Write the proportion equation
   33,056.68 : 49,584.78 = 13,321.27 : x
2. Step 2: Convert to fraction form
   33,056.68/49,584.78 = 13,321.27/x
3. Step 3: Cross multiply
   33,056.68x = 49,584.78 × 13,321.27
4. Step 4: Simplify right side
   33,056.68x = 660,532,242.27
5. Step 5: Solve for x
   x = 660,532,242.27/33,056.68
6. Step 6: Final answer
   x = 19,981.81