Finding the Fourth Proportional to 33,448.20, 50,188.76 and 13,456.86

Step by Step Solution

1. Step 1: Write the proportion equation
   33,448.20 : 50,188.76 = 13,456.86 : x
2. Step 2: Convert to fraction form
   33,448.20/50,188.76 = 13,456.86/x
3. Step 3: Cross multiply
   33,448.20x = 50,188.76 × 13,456.86
4. Step 4: Simplify right side
   33,448.20x = 675,383,116.89
5. Step 5: Solve for x
   x = 675,383,116.89/33,448.20
6. Step 6: Final answer
   x = 20,191.91