Finding the Fourth Proportional to 60,855.79, 91,150.17 and 50,206.02

Step by Step Solution

1. Step 1: Write the proportion equation
   60,855.79 : 91,150.17 = 50,206.02 : x
2. Step 2: Convert to fraction form
   60,855.79/91,150.17 = 50,206.02/x
3. Step 3: Cross multiply
   60,855.79x = 91,150.17 × 50,206.02
4. Step 4: Simplify right side
   60,855.79x = 4,576,287,258.02
5. Step 5: Solve for x
   x = 4,576,287,258.02/60,855.79
6. Step 6: Final answer
   x = 75,198.88