Finding the Fourth Proportional to 100,573.89, 150,879.33 and 33,109.80

Step by Step Solution

1. Step 1: Write the proportion equation
   100,573.89 : 150,879.33 = 33,109.80 : x
2. Step 2: Convert to fraction form
   100,573.89/150,879.33 = 33,109.80/x
3. Step 3: Cross multiply
   100,573.89x = 150,879.33 × 33,109.80
4. Step 4: Simplify right side
   100,573.89x = 4,995,584,440.43
5. Step 5: Solve for x
   x = 4,995,584,440.43/100,573.89
6. Step 6: Final answer
   x = 49,670.79