Finding the Fourth Proportional to 108,040.52, 162,078.06 and 45,711.56

Step by Step Solution

1. Step 1: Write the proportion equation
   108,040.52 : 162,078.06 = 45,711.56 : x
2. Step 2: Convert to fraction form
   108,040.52/162,078.06 = 45,711.56/x
3. Step 3: Cross multiply
   108,040.52x = 162,078.06 × 45,711.56
4. Step 4: Simplify right side
   108,040.52x = 7,408,840,964.37
5. Step 5: Solve for x
   x = 7,408,840,964.37/108,040.52
6. Step 6: Final answer
   x = 68,574.65