Finding the Fourth Proportional to 55,791.91, 76,992.59 and 30,298.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,791.91 : 76,992.59 = 30,298.09 : x
2. Step 2: Convert to fraction form
   55,791.91/76,992.59 = 30,298.09/x
3. Step 3: Cross multiply
   55,791.91x = 76,992.59 × 30,298.09
4. Step 4: Simplify right side
   55,791.91x = 2,332,728,891.64
5. Step 5: Solve for x
   x = 2,332,728,891.64/55,791.91
6. Step 6: Final answer
   x = 41,811.24