Finding the Fourth Proportional to 53,811.86, 80,647.59 and 33,540.24

Step by Step Solution

1. Step 1: Write the proportion equation
   53,811.86 : 80,647.59 = 33,540.24 : x
2. Step 2: Convert to fraction form
   53,811.86/80,647.59 = 33,540.24/x
3. Step 3: Cross multiply
   53,811.86x = 80,647.59 × 33,540.24
4. Step 4: Simplify right side
   53,811.86x = 2,704,939,524.02
5. Step 5: Solve for x
   x = 2,704,939,524.02/53,811.86
6. Step 6: Final answer
   x = 50,266.61