Finding the Fourth Proportional to 33,196.10, 49,760.39 and 13,219.74

Step by Step Solution

1. Step 1: Write the proportion equation
   33,196.10 : 49,760.39 = 13,219.74 : x
2. Step 2: Convert to fraction form
   33,196.10/49,760.39 = 13,219.74/x
3. Step 3: Cross multiply
   33,196.10x = 49,760.39 × 13,219.74
4. Step 4: Simplify right side
   33,196.10x = 657,819,352.00
5. Step 5: Solve for x
   x = 657,819,352.00/33,196.10
6. Step 6: Final answer
   x = 19,816.17