Finding the Fourth Proportional to 108,403.80, 162,621 and 33,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,403.80 : 162,621 = 33,530.50 : x
2. Step 2: Convert to fraction form
   108,403.80/162,621 = 33,530.50/x
3. Step 3: Cross multiply
   108,403.80x = 162,621 × 33,530.50
4. Step 4: Simplify right side
   108,403.80x = 5,452,763,440.50
5. Step 5: Solve for x
   x = 5,452,763,440.50/108,403.80
6. Step 6: Final answer
   x = 50,300.48