Finding the Fourth Proportional to 57,081.42, 78,739.83 and 33,205.32

Step by Step Solution

1. Step 1: Write the proportion equation
   57,081.42 : 78,739.83 = 33,205.32 : x
2. Step 2: Convert to fraction form
   57,081.42/78,739.83 = 33,205.32/x
3. Step 3: Cross multiply
   57,081.42x = 78,739.83 × 33,205.32
4. Step 4: Simplify right side
   57,081.42x = 2,614,581,251.90
5. Step 5: Solve for x
   x = 2,614,581,251.90/57,081.42
6. Step 6: Final answer
   x = 45,804.42