Finding the Fourth Proportional to 3,099.98, 4,650.06 and 908.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,099.98 : 4,650.06 = 908.71 : x
2. Step 2: Convert to fraction form
   3,099.98/4,650.06 = 908.71/x
3. Step 3: Cross multiply
   3,099.98x = 4,650.06 × 908.71
4. Step 4: Simplify right side
   3,099.98x = 4,225,556.02
5. Step 5: Solve for x
   x = 4,225,556.02/3,099.98
6. Step 6: Final answer
   x = 1,363.09