Finding the Fourth Proportional to 55,103.94, 82,752.82 and 54,315.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,103.94 : 82,752.82 = 54,315.09 : x
2. Step 2: Convert to fraction form
   55,103.94/82,752.82 = 54,315.09/x
3. Step 3: Cross multiply
   55,103.94x = 82,752.82 × 54,315.09
4. Step 4: Simplify right side
   55,103.94x = 4,494,726,730.27
5. Step 5: Solve for x
   x = 4,494,726,730.27/55,103.94
6. Step 6: Final answer
   x = 81,568.16