Finding the Fourth Proportional to 33,530.28, 50,271.12 and 13,801.92

Step by Step Solution

1. Step 1: Write the proportion equation
   33,530.28 : 50,271.12 = 13,801.92 : x
2. Step 2: Convert to fraction form
   33,530.28/50,271.12 = 13,801.92/x
3. Step 3: Cross multiply
   33,530.28x = 50,271.12 × 13,801.92
4. Step 4: Simplify right side
   33,530.28x = 693,837,976.55
5. Step 5: Solve for x
   x = 693,837,976.55/33,530.28
6. Step 6: Final answer
   x = 20,692.88