Finding the Fourth Proportional to 85,367.54, 128,067.69 and 32,772.86

Step by Step Solution

1. Step 1: Write the proportion equation
   85,367.54 : 128,067.69 = 32,772.86 : x
2. Step 2: Convert to fraction form
   85,367.54/128,067.69 = 32,772.86/x
3. Step 3: Cross multiply
   85,367.54x = 128,067.69 × 32,772.86
4. Step 4: Simplify right side
   85,367.54x = 4,197,144,474.89
5. Step 5: Solve for x
   x = 4,197,144,474.89/85,367.54
6. Step 6: Final answer
   x = 49,165.58