Finding the Fourth Proportional to 6,105.50, 9,152.78 and 2,208.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.50 : 9,152.78 = 2,208.99 : x
2. Step 2: Convert to fraction form
   6,105.50/9,152.78 = 2,208.99/x
3. Step 3: Cross multiply
   6,105.50x = 9,152.78 × 2,208.99
4. Step 4: Simplify right side
   6,105.50x = 20,218,388.45
5. Step 5: Solve for x
   x = 20,218,388.45/6,105.50
6. Step 6: Final answer
   x = 3,311.51