Finding the Fourth Proportional to 55,786.72, 76,985.39 and 30,292.85

Step by Step Solution

1. Step 1: Write the proportion equation
   55,786.72 : 76,985.39 = 30,292.85 : x
2. Step 2: Convert to fraction form
   55,786.72/76,985.39 = 30,292.85/x
3. Step 3: Cross multiply
   55,786.72x = 76,985.39 × 30,292.85
4. Step 4: Simplify right side
   55,786.72x = 2,332,107,227.50
5. Step 5: Solve for x
   x = 2,332,107,227.50/55,786.72
6. Step 6: Final answer
   x = 41,803.99