Finding the Fourth Proportional to 53,829.42, 80,689.85 and 33,853.18

Step by Step Solution

1. Step 1: Write the proportion equation
   53,829.42 : 80,689.85 = 33,853.18 : x
2. Step 2: Convert to fraction form
   53,829.42/80,689.85 = 33,853.18/x
3. Step 3: Cross multiply
   53,829.42x = 80,689.85 × 33,853.18
4. Step 4: Simplify right side
   53,829.42x = 2,731,608,016.22
5. Step 5: Solve for x
   x = 2,731,608,016.22/53,829.42
6. Step 6: Final answer
   x = 50,745.63