Finding the Fourth Proportional to 107,638.66, 161,456.37 and 32,755.78

Step by Step Solution

1. Step 1: Write the proportion equation
   107,638.66 : 161,456.37 = 32,755.78 : x
2. Step 2: Convert to fraction form
   107,638.66/161,456.37 = 32,755.78/x
3. Step 3: Cross multiply
   107,638.66x = 161,456.37 × 32,755.78
4. Step 4: Simplify right side
   107,638.66x = 5,288,629,335.32
5. Step 5: Solve for x
   x = 5,288,629,335.32/107,638.66
6. Step 6: Final answer
   x = 49,133.18