Finding the Fourth Proportional to 112,498.20, 168,766.20 and 33,620.40

Step by Step Solution

1. Step 1: Write the proportion equation
   112,498.20 : 168,766.20 = 33,620.40 : x
2. Step 2: Convert to fraction form
   112,498.20/168,766.20 = 33,620.40/x
3. Step 3: Cross multiply
   112,498.20x = 168,766.20 × 33,620.40
4. Step 4: Simplify right side
   112,498.20x = 5,673,987,150.48
5. Step 5: Solve for x
   x = 5,673,987,150.48/112,498.20
6. Step 6: Final answer
   x = 50,436.25