Finding the Fourth Proportional to 33,272.78, 49,865.83 and 13,528.22

Step by Step Solution

1. Step 1: Write the proportion equation
   33,272.78 : 49,865.83 = 13,528.22 : x
2. Step 2: Convert to fraction form
   33,272.78/49,865.83 = 13,528.22/x
3. Step 3: Cross multiply
   33,272.78x = 49,865.83 × 13,528.22
4. Step 4: Simplify right side
   33,272.78x = 674,595,635.57
5. Step 5: Solve for x
   x = 674,595,635.57/33,272.78
6. Step 6: Final answer
   x = 20,274.70