Finding the Fourth Proportional to 55,115.57, 82,710.12 and 35,408.27

Step by Step Solution

1. Step 1: Write the proportion equation
   55,115.57 : 82,710.12 = 35,408.27 : x
2. Step 2: Convert to fraction form
   55,115.57/82,710.12 = 35,408.27/x
3. Step 3: Cross multiply
   55,115.57x = 82,710.12 × 35,408.27
4. Step 4: Simplify right side
   55,115.57x = 2,928,622,260.69
5. Step 5: Solve for x
   x = 2,928,622,260.69/55,115.57
6. Step 6: Final answer
   x = 53,136.02