Finding the Fourth Proportional to 79,078.56, 118,425.87 and 43,485.54

Step by Step Solution

1. Step 1: Write the proportion equation
   79,078.56 : 118,425.87 = 43,485.54 : x
2. Step 2: Convert to fraction form
   79,078.56/118,425.87 = 43,485.54/x
3. Step 3: Cross multiply
   79,078.56x = 118,425.87 × 43,485.54
4. Step 4: Simplify right side
   79,078.56x = 5,149,812,906.92
5. Step 5: Solve for x
   x = 5,149,812,906.92/79,078.56
6. Step 6: Final answer
   x = 65,122.75