Finding the Fourth Proportional to 3,600.99, 4,969.89 and 2,108.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600.99 : 4,969.89 = 2,108.70 : x
2. Step 2: Convert to fraction form
   3,600.99/4,969.89 = 2,108.70/x
3. Step 3: Cross multiply
   3,600.99x = 4,969.89 × 2,108.70
4. Step 4: Simplify right side
   3,600.99x = 10,480,007.04
5. Step 5: Solve for x
   x = 10,480,007.04/3,600.99
6. Step 6: Final answer
   x = 2,910.31