Finding the Fourth Proportional to 33,056.98, 49,568.37 and 13,330.18

Step by Step Solution

1. Step 1: Write the proportion equation
   33,056.98 : 49,568.37 = 13,330.18 : x
2. Step 2: Convert to fraction form
   33,056.98/49,568.37 = 13,330.18/x
3. Step 3: Cross multiply
   33,056.98x = 49,568.37 × 13,330.18
4. Step 4: Simplify right side
   33,056.98x = 660,755,294.41
5. Step 5: Solve for x
   x = 660,755,294.41/33,056.98
6. Step 6: Final answer
   x = 19,988.37